Dunestar filters

Our BPF-Luxury kit includes 6 filters: BPF-1.8, BPF-3.5, BPF-7, BPF-14, BPF-21, BPF-28 (for 1.8, 3.5, 7, 14, 21 and 28 MHz respectively). The filters should be installed between the transceiver and amplifier . utilizing the SO-239 connectors. Filters provide tremendous interference attenuation to/from the stations operating in the other bands. • Bandpass filters: LBS | Low Band Systems (10-160 Mtr) • Bandpass filters: Dunestar. Dunestar Systems, Saint Helens, OR. 271 likes. Dunestar Systems manufactures RF Bandpass & HF Highpass Filters, HF Triplexers, Portable Antennas and. Single bandpass filters for 10, 15, 20, 40, and 80 meters. Very lightly used and in good condition. $200 plus shipping for all 5. An Inquiry into your eHam classifieds post : 5 single band Dunestar bandpass filters. 5 single band Dunestar bandpass filters. Send this to a friend with an introduction. Required!. . Subject: : Dunestar summary: From: : [email protected] ([email protected]): Date: : Tue Aug 2 11:07:00 1994. Dans un état maniaque (qui précède le meurtre), le sociopathe est intrépide et pense qu'il est omnipotent, parfois le Mal incarné (c'était par exemple le cas de Richard Ramirez, le « Night Stalker »).Un autre sociopathe, lorsqu'il se préparait à « chasser », s'habillait en Indien et utilisait ses propres excréments comme.Ils essaieront constamment d’attirer l’attention sur eux. Roller Coasters of SeaWorld Orlando. Average Wait Times, What Time to Ride, Reviews. Austin Rdzanek Dec 02, 2021. A Guide to SeaWorld Orlando’s Roller Coasters.. Jan 18, 2017 · Kraken Virtual Reality, Central Florida’s first VR roller coaster, and a new Dolphin Nursery are coming to SeaWorld Orlando in 2017 as part of $175 million in new and upgraded attractions recently. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. Find many great new & used options and get the best deals for TTE Filters 450Mhz bandpass filter 07766 CAGE CODE, H5783, K5304-450M-1.5P-50-A at the best online prices at eBay! Free shipping for many products! ... DUNESTAR BAND PASS FILTER for 160M (1.8 MHZ) $60.24 + $12.05 shipping + $12.05 shipping + $12.05 shipping. The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m,. Clean Up Your Signals with Band-Pass Filters - Part 1 QST May 1998, pp. 44-48 Clean Up Your Signals with Band-Pass Filters - Part 2 QST June 1998, pp. 39-42 A Diode-Switched Band-Pass Filter QST January 1991, pp. 24-26 How to use high-speed silicon diodes as RF switches for selecting two or more filters. Band-Pass Filters for HF Transceivers.

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DuneStar Model 504 Bandpass Filter Characteristics By Bob Wolbert, K6XX The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously—without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. . pass filters be used on both radios to protect the radio's front end. I already had switchable Dunestar Bandpass filters on both my radios, so I was all set there. The final configuration of my station, with the newly installed IN-RAD Tri-plexer, is shown in Figure 1 (next page). Adding the triplexer effectively gave me three separate Yagis. Dans un état maniaque (qui précède le meurtre), le sociopathe est intrépide et pense qu'il est omnipotent, parfois le Mal incarné (c'était par exemple le cas de Richard Ramirez, le « Night Stalker »).Un autre sociopathe, lorsqu'il se préparait à « chasser », s'habillait en Indien et utilisait ses propres excréments comme.Ils essaieront constamment d’attirer l’attention sur eux. class="scs_arw" tabindex="0" title=Explore this page aria-label="Show more">. The designs herein are from W3NQN’s second-generationi bandpass filters utilizing the Cauer family of filters. The following pages are in frequency progression, beginning with 160m and working up through 10m. ... VE3YF Rating: 2010-12-17; Very Effective Time Owned: more than 12 months. I currently use a pair of Dunestar 600 Filters in my SO2R. The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. See Dunestar web site for details. I used these filters in SO2R setup, but eventually decided to give it up. Both filters work fine; the exterior has few light scratches, but no dents, dings, or other signs of rough use. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. One option is to buy external bandpass filters--they are sold by Top Ten Devices and Dunestar for multi-transmitter contest stations. Below are published articles on building tight bandpass filters. Articles. Sep 1998 QEX . 57 . A Narrow 80 Meter Band-Pass Filter (RF) Lau, Zack, W1VT . Nov 1998 QEX . 58 . A Narrow-Bandwidth 40 Meter Band-pass. Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering. Duplexers.eu - We produce duplex filters for 6 m, 2 m, 70 cm, and 23 cm band but also for HF bands. pass filters be used on both radios to protect the radio's front end. I already had switchable Dunestar Bandpass filters on both my radios, so I was all set there. The final configuration of my station, with the newly installed IN-RAD Tri-plexer, is shown in Figure 1 (next page). Adding the triplexer effectively gave me three separate Yagis. • Filter select relays to be located on individual filter boards. • Individual filters plug-in to motherboard or may be used stand-alone. • Motherboard to accommodate 6 plug-in filters and by-pass relays. • DB9 male connector on MB wired for plug-in replacement of Dunestar 600. To prevent from hf interferences between the stations I use Dunestar bandpass filters (2 x model 600). One of the next projects will be a few BCD-decimal decoder to automate the antenna and filter selection. This is currently done by hand. ... He took part from here with my FT1000D (80m) and his own FT1000MP (40m) as SO2R . He finished second.. Summary Dunestar and I.C.E. filters: From: [email protected] (C.T. Morton) Date: Mon Nov 4 14:49:39 1996 > At NC0P Toni uses a Dunestar (we lovingly call them dungstars) on all four rigs. We are usually M/S but have the other rigs looking for mults. very gud results in my opinion. Seem to still get some 20-15 meter bleed over but this is in. DuneStar builds a relay-switched bandpass filter array that speeds up the process (to instantaneously, if the rig is properly interfaced). Here are the measured filter characteristics of the (older) five-band 504 and the newer six-band 600. DuneStar 504 Filter Characteristics (HTML) [25 June 1998]. The band output port drives things like relay-switched DuneStar band filters The CI-V interface allows rig control via computer, and makes logging programs like TR-Log and CT really shine correspond with the values CI-V BAUD and CI-V ADDRES in the IC7100 [Updated 8 December 1997] The K6XX CI-V and Band Select Output Interface for Icom Rigs. title=Explore this page aria-label="Show more">. Filters—Band-Pass, TVI (Low Pass & High Pass) 4O3A.COM Bencher K-Y FIlter Radioware Dunestar Baluns and Impedance Transformers Balun Designs ... Dunestar Systems P.O. Box 37 St. Helens, OR 97051 U.S.A 800-457-1690: Orders Only 503-397-2918: All Other Inquiries 503-397-2918: fax [email protected] www.dunestar.com. Review Summary For : Dunestar Systems Model 300 Single Band Bandpass Filters; Reviews: 3 MSRP: 73.00; Description: The filters are 3-pole, top-C coupled. Hi-Q capacitors and inductors are used for tuned circuits. Filters are constructed on glass-epoxy PC boards. Inputs and outputs are at DC ground potentials. Aluminum Enclosure. Dedicated stubs off the 6 Pack provide up to 60db of separation between radios and even more with Dunestar Filters between radio and amplifier. I use N1MM logger for contest logging, VKCL logger, MMVARI, MTTY/SSTV. While contesting, the 2nd rig (FT2000) uses an SDRPlay to provide live spectrum taken from the antenna in use via a MFJ-1708 SDR. W3NQN Design Filters. W3NQN Band Pass filters are the best single band filters you can buy. Each one is hand-made by K7MI to W3NQN's specifications. The performance of these W3NQN design filters, regardless of who. • Filter select relays to be located on individual filter boards. • Individual filters plug-in to motherboard or may be used stand-alone. • Motherboard to accommodate 6 plug-in filters and by-pass relays. • DB9 male connector on MB wired for plug-in replacement of Dunestar 600. Add To Cart. Some bandpass filters require an external source of power and employ active components such as transistors and integrated circuits; these are known as . € 232,00. 868MHz 50 Ohms Bandpass Filter Sound Meter Package Bandwidth 867-869MHz NEW. 3.0 out of 5 stars. 50% 72 . ... (SO2R) can benefit from good filters by reducing the.

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The designs herein are from W3NQN’s second-generationi bandpass filters utilizing the Cauer family of filters. The following pages are in frequency progression, beginning with 160m and working up through 10m. ... VE3YF Rating: 2010-12-17; Very Effective Time Owned: more than 12 months. I currently use a pair of Dunestar 600 Filters in my SO2R. DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. The designs herein are from W3NQN’s second-generationi bandpass filters utilizing the Cauer family of filters. The following pages are in frequency progression, beginning with 160m and working up through 10m. ... VE3YF Rating: 2010-12-17; Very Effective Time Owned: more than 12 months. I currently use a pair of Dunestar 600 Filters in my SO2R. The Hobkin are an anthropomorphic race living within the magical forest crater called the grove. Possessing a druidic predisposition, these creatures use their abilities to guide the growth of plants and trees to build their homes and clothing.Rising majestically above the clouds, in the center of the grove, there grows a colossal tree; commonly believed to be the source of all. Review Summary For : Dunestar Systems Model 300 Single Band Bandpass Filters; Reviews: 3 MSRP: 73.00; Description: The filters are 3-pole, top-C coupled. Hi-Q capacitors and inductors are used for tuned circuits. Filters are constructed on glass-epoxy PC boards. Inputs and outputs are at DC ground potentials. Aluminum Enclosure. Dunestar Model 600 (160-10 meter) multiband band pass filters - $50 each (4 available) Full Power Triplexer filter. Works on 20/15/10 meters (50dB cross band rejection) - $200; Yaesu FTV-1000 6 meter transverter - $50 ; Note: There are separate feed lines for each antenna that go into the shack. If you decide not the use the 3×11 switch.

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Band Pass Filter Series XL. Product Code BPFXL. 399.00€. Choose options. These high-power (4,500 W ICAS) Band Pass Filters are to be fitted on the output side of your linear amplifier, filtering out not only harmonics but also. Clean Up Your Signals with Band-Pass Filters - Part 1 QST May 1998, pp. 44-48 Clean Up Your Signals with Band-Pass Filters - Part 2 QST June 1998, pp. 39-42 A Diode-Switched Band-Pass Filter QST January 1991, pp. 24-26 How to use high-speed silicon diodes as RF switches for selecting two or more filters. Band-Pass Filters for HF Transceivers. . Contest Bandpass Filters Ethan Miller, K8GU 8 July 2004 Filters designed and fabricated by Ford Peterson, N0FP Commercial Filters provided by Al Dewey, K0AD. Contents ... Dunestar. 2468 10-30-25-20-15-10-5 0 80 Meters RL (dB) Frequency (MHz) N0FP Torpedo Dunestar. 468 10 12 14-80-75-70-65-60-55-50-45-40-35-30-25-20-15-10-5 0 5 40 Meters.The DuneStar 504. Here is Dunestar specs for single band filters. Hope I’m not posting too much? ... CONSTRUCTION: The filters are 3-pole, top-C coupled. Hi-Q capacitors and inductors are used for tuned circuits. Filters are constructed on glass-epoxy PC boards. Inputs and outputs are at DC ground potentials. Aluminum Enclosure. Dimensions: HWD 2.0 X 6.0 X 1.. Dunestar Model 600 (160-10 meter) multiband band pass filters - $50 each (4 available) Full Power Triplexer filter. Works on 20/15/10 meters (50dB cross band rejection) - $200; Yaesu FTV-1000 6 meter transverter - $50 ; Note: There are separate feed lines for each antenna that go into the shack. If you decide not the use the 3×11 switch. Find many great new & used options and get the best deals for TTE Filters 450Mhz bandpass filter 07766 CAGE CODE, H5783, K5304-450M-1.5P-50-A at the best online prices at eBay! Free shipping for many products! ... DUNESTAR BAND PASS FILTER for 160M (1.8 MHZ) $60.24 + $12.05 shipping + $12.05 shipping + $12.05 shipping. Auto band-switched Dunestar 600 filters, using Top Ten band decoders, keep the inter-station interference to a minimum. W2IHY two band equalizers, with noise gates, keep the fan noise down between words. Yaesu u-tune filters allow greater selectivity on some bands during contests and crowded band conditions.

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For audio switching I use a Dunestar 2-radio headphone switch. I also use two Dunestar 600 all-band filters. For audio filtering I use a JPS NIR-12 dual-DSP audio filter on each radio. A new 3 element SteppIR was installed in October 2010 but was damaged in Hurricane Isaac in August 2012. I relocated my smaller Rohn 25 tower from the back porch. Subject: [Elecraft] K3 Aux I/O and Dunestar 600 Bandpass filters To: elecraft at mailman.qth.net Message-ID: <4AD87253.4 at gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed I have searched archives galore and cannot find, or do not know how to search properly for interfacing the K3 to the Dunestar 600 Bandpass filters. To prevent from hf interferences between the stations I use Dunestar bandpass filters (2 x model 600). One of the next projects will be a few BCD-decimal decoder to automate the antenna and filter selection. This is currently done by hand. ... He took part from here with my FT1000D (80m) and his own FT1000MP (40m) as SO2R . He finished second.. Review Summary For : Dunestar Systems Model 300 Single Band Bandpass Filters; Reviews: 3 MSRP: 73.00; Description: The filters are 3-pole, top-C coupled. Hi-Q capacitors and inductors are used for tuned circuits. Filters are constructed on glass-epoxy PC boards. Inputs and outputs are at DC ground potentials. Aluminum Enclosure. DuneStar builds a relay-switched bandpass filter array that speeds up the process (to instantaneously, if the rig is properly interfaced). Here are the measured filter characteristics of the (older) five-band 504 and the newer six-band 600. DuneStar 504 Filter Characteristics (HTML) [25 June 1998]. Perhaps I should call my variants the W3NQN/K8GU filters so someone else shares the blame in this case! The connectors, magnet wire, and enclosures are all readily available. The total components cost, not including excess parts and mistakes, for one filter breaks down as follows: $6 capacitors, $15 cores, $4 mini-box, $6 connectors, $3 wire. Shop 200CC Youth 2 Seat Go Kart at Murdoch''s Ranch & Home Supply Single-Seater Gas-Powered Go-Kart Newest 2 seat 200cc gas powered go kart with fine quality and CE approved (MC-434) 1) Engine type: 200cc, single cylinder, 4-stroke, oil cooling, Automatic with reverse 2) Rating Power: 8 Go-Kart Plans Experience the joy of go-karting at a. </span> aria-label="Show more">. I own two Dunestar 600 all-band filters and individual Dunestar 300 band filters for 10, 15, 20, 40 and 80 meters. I also use a Dunestar 2-radio headphone selector. Ron promptly answered my email and told me everything I needed to. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: eBay Deals; Find a. Dunestar Model 600: Multi-Band Remote Switched BPF - at least 100 Watts - 160, 80, 40, 20, 15, 10 meters - Remote control only - ~$379; There may be others so look around. Note some of the above manufacturers also have single band band-pass filters available. These might be appropriate inline near mono-band antennas. One of the items we need to stock up on is band pass filters. I'm interested in finding something like the Dunestar mult-band filter setups. However, due to the death of the founder of Dunestar, they are not producing anything right now. I found offerings at DX Engineering:. A passive filter is a kind of electronic filter that is made only from passive elements -- in contrast to an active filter, it does not require an external power source (beyond the signal). High power co-axial stub filters to minimize inter station interference. Dunestar Model 600 Multi-Band Remote Switched Bandpass Filters. Filter select relays to be located on individual filter boards. • Individual filters plug-in to motherboard or may be used stand-alone. • Motherboard to accommodate 6 plug-in filters and by-pass relays. • DB9 male connector on MB wired for plug-in replacement of Dunestar 600. Homebrew automatic SO2R controller (two homebrew band decoders drive a two-of-ten homebrew SO2R antenna switch and two Dunestar model 600 bandpass filters) 2nd tower rotator box (Ham M) Yaesu FT-1000 (main station) Main tower rotators (upper for top KT-34XA and 2el 40, lower for lower KT-34XA and 6M). We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. I recommend these filters. A passive filter is a kind of electronic filter that is made only from passive elements -- in contrast to an active filter, it does not require an external power source (beyond the signal). High power co-axial stub filters to minimize inter station interference. Dunestar Model 600 Multi-Band Remote Switched Bandpass Filters. I own two Dunestar 600 all-band filters and individual Dunestar 300 band filters for 10, 15, 20, 40 and 80 meters. I also use a Dunestar 2-radio headphone selector. Ron promptly answered my email and told me everything I needed to. Dunestar Systems, Saint Helens, OR. 270 likes. Dunestar Systems manufactures RF Bandpass & HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial. . Array Solutions FM-6 Filter Master Filter Switch. Dunestar Bandpass Filter FAQ. Dunestar Model 600 Multi-Band Remote Switched Bandpass Filters. Dunestar Model 300 Single-Band Bandpass Filters. I.C.E Bandpass Filters Datasheet (PDF) I.C.E. 419B Combination 200W Bandpass Filter. I.C.E. Individual Band 200W Bandpass Filters. Dunestar Systems RF Filters, Antenna Remote Switching, Coupling/Phasing and more DX4WIN DX Logging and Award Tracking Software for Windows DXtreme Software Affordable Logging Software for Ham and Shortwave DXers Gamma Research Very small and lightweight 12v Power Supplies for 100w Radios Granite State Antennas by K1JEK. tabindex="0" title=Explore this page aria-label="Show more">.

The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. Station "C" consisted of an Icom IC-751A with a 250 hz filter in the IF. I used the right channel of the sound card in the station "B" computer to decode the RTTY. I used an extra COM port on the same computer to key PTT and FSK. This station was dedicated to 10 meters only and used a Dunestar 10M filter. Single bandpass filters for 10, 15, 20, 40, and 80 meters. Very lightly used and in good condition. $200 plus shipping for all 5. An Inquiry into your eHam classifieds post : 5 single band Dunestar bandpass filters. 5 single band Dunestar bandpass filters. Send this to a friend with an introduction. Required!. Dunestar - RF Bandpass Filters and Antenna Remote Switching and Coupling/Phasing Devices ElectronicsUSA.com - Pocket Mini-Keys, Mini-Paddles, Keyers, QRP accessories, ... Transmitter BP Filters 160 - 2M Riley's Accessories-- Amplifier Tuning Pulser Pro With Remote Head, Tune-It For FT1000MP Mk 5, Kenwood Relay/ALC Cable, ICOM. Dunestar Bandpass Filters are 3-pole, capacitive coupled, with High-Q capacitors and inductors used for tuned circuits. Filters are conctructed on glass-epoxy PCB in Aluminum Enclosure. Inputs and outputs are at DC ground potentials. Dimensions: 51 x 152 x 44 mm (including mounting flange. Things that helped were an inline Dunestar AM BCB filter, as I have two nearby AM stations. The biggest help was an inline RF choke at the antenna feed point. It reduced my noise floor about 2 S units which is significant. I use the MyAntennas choke balun. Some people need to use another RF choke just before their receiver as well, I do not.

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One option is to buy external bandpass filters--they are sold by Top Ten Devices and Dunestar for multi-transmitter contest stations. Below are published articles on building tight bandpass filters. Articles. Sep 1998 QEX . 57 . A Narrow 80 Meter Band-Pass Filter (RF) Lau, Zack, W1VT . Nov 1998 QEX . 58 . A Narrow-Bandwidth 40 Meter Band-pass. A Honda generator was on hand for charging and powering the laptops used in logging and PSK operations. A pair of Dunestar filters were used for out of band rejection considering our antennas were only a couple of feet apart. The filters worked flawlessly and neither station experienced interference. DCI - Digital Communications Inc. - Bandpass filters; Denver Amateur Radio Supply; Digi-Key Corporation - Electronics supplier; Down East Microwave Inc. - VHF/UHF/SHF Equipment and Parts. Dunestar Systems - RF filters, antenna switching and coupling phasing devices. Durham Radio Sales and Service; DX System Radio High performances beams. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. I recommend these filters. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. Dunestar bandpass filters allow simultaneous operation of the two stations on different bands without mutual interference. Antennas are on two towers - yagis for 40-10m and dipoles, together with a Titanex. A very short High Power 5th Chebyshev type Bandpass filter. Roller Coasters of SeaWorld Orlando. Average Wait Times, What Time to Ride, Reviews. Austin Rdzanek Dec 02, 2021. A Guide to SeaWorld Orlando’s Roller Coasters.. Jan 18, 2017 · Kraken Virtual Reality, Central Florida’s first VR roller coaster, and a new Dolphin Nursery are coming to SeaWorld Orlando in 2017 as part of $175 million in new and upgraded attractions recently. Dunestar bandpass filters allow simultaneous operation of the two stations on different bands without mutual interference. Antennas are on two towers - yagis for 40-10m and dipoles, together with a Titanex. A very short High Power 5th Chebyshev type Bandpass filter. Shop 200CC Youth 2 Seat Go Kart at Murdoch''s Ranch & Home Supply Single-Seater Gas-Powered Go-Kart Newest 2 seat 200cc gas powered go kart with fine quality and CE approved (MC-434) 1) Engine type: 200cc, single cylinder, 4-stroke, oil cooling, Automatic with reverse 2) Rating Power: 8 Go-Kart Plans Experience the joy of go-karting at a. 200 W CW / 400 W SSB Band Pass Filter for 160 m Insertion Loss (S21) and Return Loss (S11) plots T.. $151.00 . Add to Cart. W3NQN Design mono band Cauer Elliptical filter for the 17 meters band by K7MI. 200 W CW / 400 W SSSB Band Pass Filter for 17 m Insertion Loss (S21) plot To see more about W3NQN. There was some inter-station interference although this was greatly reduced by the use of Dunestar filters. The demise of one of the two TS-570DG's was a nuisance because the IC-735 caused/received more inter-station interference than the more modern TS-570DG's with their built-in ATUs etc. Travel : The journey to Wallis from London required. Auto band-switched Dunestar 600 filters, using Top Ten band decoders, keep the inter-station interference to a minimum. W2IHY two band equalizers, with noise gates, keep the fan noise down between words. Yaesu u-tune filters allow greater selectivity on some bands during contests and crowded band conditions. As some of you may know a couple years ago I took over building bandpass filters for Dunestar Systems. In the past we had a customer inquire about the duty cycle rating of our filters and I can't recall what we told him. So I now have another customer asking the same question stating his club activity frequently uses RTTY at 100 watts and in my. Add To Cart. Some bandpass filters require an external source of power and employ active components such as transistors and integrated circuits; these are known as . € 232,00. 868MHz 50 Ohms Bandpass Filter Sound Meter Package Bandwidth 867-869MHz NEW. 3.0 out of 5 stars. 50&percnt; 72 . ... (SO2R) can benefit from good filters by reducing the. Buy it now - DUNESTAR BAND PASS FILTER for 20M (14 MHZ) Add to Watch list. More to explore: RF Pass Filters & Microwave Pass Filters, Test Equipment Multimeters Low Pass Filter, 20m HDMI Cable, Pass & Seymour Electrical Plugs, 1 MHz Oscilloscopes &. Add To Cart. Some bandpass filters require an external source of power and employ active components such as transistors and integrated circuits; these are known as . € 232,00. 868MHz 50 Ohms Bandpass Filter Sound Meter Package Bandwidth 867-869MHz NEW. 3.0 out of 5 stars. 50&percnt; 72 . ... (SO2R) can benefit from good filters by reducing the. Band Pass Filter Fever - Guess-timating the Filter Efficacy - Part 5; Band Pass Filter Fever - The Guess-timated Scale and Actual Guess-timated Measurements - Part 6; NEW, 20190921 Retroactive Filter Tuning with NanoVNA; Photos of the filters as constructed by W4KAZ, based on NVARC and K4VX designs -. The K4D adds a second A-to-D converter and a second set of.

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Homebrew automatic SO2R controller (two homebrew band decoders drive a two-of-ten homebrew SO2R antenna switch and two Dunestar model 600 bandpass filters) 2nd tower rotator box (Ham M) Yaesu FT-1000 (main station) Main tower rotators (upper for top KT-34XA and 2el 40, lower for lower KT-34XA and 6M). Contest Bandpass Filters Ethan Miller, K8GU 8 July 2004 Filters designed and fabricated by Ford Peterson, N0FP Commercial Filters provided by Al Dewey, K0AD. Contents ... Dunestar. 2468 10-30-25-20-15-10-5 0 80 Meters RL (dB) Frequency (MHz) N0FP Torpedo Dunestar. 468 10 12 14-80-75-70-65-60-55-50-45-40-35-30-25-20-15-10-5 0 5 40 Meters.The DuneStar 504. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. Buy it now - DUNESTAR BAND PASS FILTER for 20M (14 MHZ) Add to Watch list. More to explore: RF Pass Filters & Microwave Pass Filters, Test Equipment Multimeters Low Pass Filter, 20m HDMI Cable, Pass & Seymour Electrical Plugs, 1 MHz Oscilloscopes &. Where did you find it from Dunestar? > I have six mono band filters from I.C.E. They work pretty good but to > change them manually is time consuming "operation", and I decided to > buy Model 419B - Combination Bandpass Filter. > I spoke to I.C.E. and Array Sol. tabindex="0" title=Explore this page aria-label="Show more">. Band Pass Filter Fever - Guess-timating the Filter Efficacy - Part 5; Band Pass Filter Fever - The Guess-timated Scale and Actual Guess-timated Measurements - Part 6; NEW, 20190921 Retroactive Filter Tuning with NanoVNA; Photos of the filters as constructed by W4KAZ, based on NVARC and K4VX designs -. The K4D adds a second A-to-D converter and a second set of. With a MOSFET output, the 2.2k ohm resistor becomes 22k ohm and the 1N4001 diode is unnecessary. One final option is a switch that disables the DuneStar power when SWLing; even megapower broadcasters are hard to copy when the filters chop them out! Table 2. FT-1000MP BAND DATA Jack Pinout DIN # Name Function. As some of you may know a couple years ago I took over building bandpass filters for Dunestar Systems. In the past we had a customer inquire about the duty cycle rating of our filters and I can't recall what we told him. So I now have another customer asking the same question stating his club activity frequently uses RTTY at 100 watts and in my.

DuneStar builds a relay-switched bandpass filter array that speeds up the process (to instantaneously, if the rig is properly interfaced). Here are the measured filter characteristics of the (older) five-band 504 and the newer six-band 600. DuneStar 504 Filter Characteristics (HTML) [25 June 1998]. Roller Coasters of SeaWorld Orlando. Average Wait Times, What Time to Ride, Reviews. Austin Rdzanek Dec 02, 2021. A Guide to SeaWorld Orlando’s Roller Coasters.. Jan 18, 2017 · Kraken Virtual Reality, Central Florida’s first VR roller coaster, and a new Dolphin Nursery are coming to SeaWorld Orlando in 2017 as part of $175 million in new and upgraded attractions recently. As some of you may know a couple years ago I took over building bandpass filters for Dunestar Systems. In the past we had a customer inquire about the duty cycle rating of our filters and I can't recall what we told him. So I now have another customer asking the same question stating his club activity frequently uses RTTY at 100 watts and in my. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. . DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. Perhaps I should call my variants the W3NQN/K8GU filters so someone else shares the blame in this case! The connectors, magnet wire, and enclosures are all readily available. The total components cost, not including excess parts and mistakes, for one filter breaks down as follows: $6 capacitors, $15 cores, $4 mini-box, $6 connectors, $3 wire. Dunestar Systems, Saint Helens, OR. 270 likes. Dunestar Systems manufactures RF Bandpass & HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial. Dunestar Systems - RF Filters, Antenna switching, etc. Heil Sound Ltd; ICE - Industrial Communications Engineers International Radio - Filters, Enhancement kits and more JPS Communications - Noise Cancellation Products LZ Engineering (makers of K1EA DVP Board) MFJ Enterprises.

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I own two Dunestar 600 all-band filters and individual Dunestar 300 band filters for 10, 15, 20, 40 and 80 meters. I also use a Dunestar 2-radio headphone selector. Ron promptly answered my email and told me everything I needed to know about his triplexer, and as an added bonus, he offered to send me one to test.. Dipoles. Hexbeam - 10-20 meters. Crank-IR Vertical 10-80 meters. Shared Apex Loop Array RX Antenna. Buy it now - DUNESTAR BAND PASS FILTER for 20M (14 MHZ) Add to Watch list. More to explore: RF Pass Filters & Microwave Pass Filters, Test Equipment Multimeters Low Pass Filter, 20m HDMI Cable, Pass & Seymour Electrical Plugs, 1 MHz Oscilloscopes &. New Advertiser – Dunestar Systems. Jan 11, 2022 | 1. Dunestar Systems manufactures RF Bandpass Filters, HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial users. They are the originators of HF multiband switchable bandpass filters. Don’t take our word for it, check them out:. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. 200 W CW / 400 W SSB Band Pass Filter for 160 m Insertion Loss (S21) and Return Loss (S11) plots T.. $151.00 . Add to Cart. W3NQN Design mono band Cauer Elliptical filter for the 17 meters band by K7MI. 200 W CW / 400 W SSSB Band Pass Filter for 17 m Insertion Loss (S21) plot To see more about W3NQN. Coax Stubs Icom 627: AK6R Technical Information. This page describes some of the technical specs of my stations, antennas, switching for SO2R operation and other matters needed to operate a successful contest station. Summary Dunestar and I.C.E. filters: From: [email protected] (C.T. Morton) Date: Mon Nov 4 14:49:39 1996 > At NC0P Toni uses a Dunestar (we lovingly call them dungstars) on all four rigs. We are usually M/S but have the other rigs looking for mults. very gud results in my opinion. Seem to still get some 20-15 meter bleed over but this is in. The Dunestar BPFs claim 40 dB adjacent band rejection which is to expected from a 3 pole design. The 5 pole 4O3A designs yield significant additional filtering. ... Series XL filters and other 4O3A Advanced Contest Solutions are helping achieve big scores at some of the world's greatest contest stations including 4O3A, OH8X, PY5EG, S51A and.

Subject: : Dunestar summary: From: : [email protected] ([email protected]): Date: : Tue Aug 2 11:07:00 1994. Roller Coasters of SeaWorld Orlando. Average Wait Times, What Time to Ride, Reviews. Austin Rdzanek Dec 02, 2021. A Guide to SeaWorld Orlando’s Roller Coasters.. Jan 18, 2017 · Kraken Virtual Reality, Central Florida’s first VR roller coaster, and a new Dolphin Nursery are coming to SeaWorld Orlando in 2017 as part of $175 million in new and upgraded attractions recently. It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. 1-800-942-7873. Search for: HOME; Shop by Brand. Everpure. Everpure Chloramine Filter. setup complete with Dunestar filters, antenna switching, 2-radio headphone switch, etc and networked to the main shack PC. I can now run SO2R JT-65 on separate PCs. I'm guessing I cannot log to my main DXKeeper log over the network so I have my DXKeeper log duplicated on this second PC as well so I can read the log to see what I need. Dunestar Model 600 (160-10 meter) multiband band pass filters - $50 each (4 available) Full Power Triplexer filter. Works on 20/15/10 meters (50dB cross band rejection) - $200; Yaesu FTV-1000 6 meter transverter - $50 ; Note: There are separate feed lines for each antenna that go into the shack. If you decide not the use the 3×11 switch. Add To Cart. Some bandpass filters require an external source of power and employ active components such as transistors and integrated circuits; these are known as . € 232,00. 868MHz 50 Ohms Bandpass Filter Sound Meter Package Bandwidth 867-869MHz NEW. 3.0 out of 5 stars. 50&percnt; 72 . ... (SO2R) can benefit from good filters by reducing the. W3NQN Design Filters. W3NQN Band Pass filters are the best single band filters you can buy. Each one is hand-made by K7MI to W3NQN's specifications. The performance of these W3NQN design filters, regardless of who. With a MOSFET output, the 2.2k ohm resistor becomes 22k ohm and the 1N4001 diode is unnecessary. One final option is a switch that disables the DuneStar power when SWLing; even megapower broadcasters are hard to copy when the filters chop them out! Table 2. FT-1000MP BAND DATA Jack Pinout DIN # Name Function. It’s interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. Dunestar Systems manufactures RF Bandpass Filters, HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial users. We are the originators of HF multiband switchable bandpass filters. For more information, click any product below. And, of course, if you have any questions, feel free to contact us!.

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Dunestar Systems - RF Filters, Antenna switching, etc. Heil Sound Ltd; ICE - Industrial Communications Engineers International Radio - Filters, Enhancement kits and more JPS Communications - Noise Cancellation Products LZ Engineering (makers of K1EA DVP Board) MFJ Enterprises. DUNESTAR 600 multiband filters The pictures which follow were made using an HP-141T-HP8552B-HP8553B spectrum analyzer with an HP8444A tracking generator. The scans were performed on June 8, 2008 on a DuneStar Model 600 which was delivered on June 2, 2008 and probably manufactured in late May 2008. The unit was run into a 50 ohm resistive load. With over 50 years' experience as the industry leading manufacturer of premium aftermarket motorcycle products, Performance Machine is bringing our award-winning design, engineering, and manufacturing expertise to the off-road market. Dunestar Model 600 (160-10 meter) multiband band pass filters - $50 each (4 available) Full Power Triplexer filter. Works on 20/15/10 meters (50dB cross band rejection) - $200; Yaesu FTV-1000 6 meter transverter - $50 ; Note: There are separate feed lines for each antenna that go into the shack. If you decide not the use the 3×11 switch. DuneStar Model 504 Bandpass Filter Characteristics By Bob Wolbert, K6XX The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously—without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. • Bandpass filters: LBS | Low Band Systems (10-160 Mtr) • Bandpass filters: Dunestar. And I manually switch the filter when changing bands using a Dunestar 800BPF manual band switch. A less expensive way of filtering is by the use of stubs. Bandpass filters built for low power (100-200 watts) are designed to go at the output of the radio whereas stubs (and high power filters) can be placed at the output of an external amplifier. For radios this year we had the previously mentioned 480SAT, a FT-100MV Field, and two ICOM 706s. We were able to use Dunestar bandpass filters for two stations and an ICE 419B bandpass filter for the GOTA. We still need to improve filtering next year by having a stub filter for the 6m station to aid in keeping down interference. Filters—Band-Pass, TVI (Low Pass & High Pass) 4O3A.COM Bencher K-Y FIlter Radioware Dunestar Baluns and Impedance Transformers Balun Designs ... Dunestar Systems P.O. Box 37 St. Helens, OR 97051 U.S.A 800-457-1690: Orders Only 503-397-2918: All Other Inquiries 503-397-2918: fax [email protected] www.dunestar.com. The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. It’s interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>.

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The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. Shop 200CC Youth 2 Seat Go Kart at Murdoch''s Ranch & Home Supply Single-Seater Gas-Powered Go-Kart Newest 2 seat 200cc gas powered go kart with fine quality and CE approved (MC-434) 1) Engine type: 200cc, single cylinder, 4-stroke, oil cooling, Automatic with reverse 2) Rating Power: 8 Go-Kart Plans Experience the joy of go-karting at a. Dunestar 14 MHZ (20M) band pass filter. More infos here. With over 50 years' experience as the industry leading manufacturer of premium aftermarket motorcycle products, Performance Machine is bringing our award-winning design, engineering, and manufacturing expertise to the off-road market. I own two Dunestar 600 all-band filters and individual Dunestar 300 band filters for 10, 15, 20, 40 and 80 meters. I also use a Dunestar 2-radio headphone selector. Ron promptly answered my email and told me everything I needed to. The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. Band Pass Filter Series XL. Product Code BPFXL. 399.00€. Choose options. These high-power (4,500 W ICAS) Band Pass Filters are to be fitted on the output side of your linear amplifier, filtering out not only harmonics but also. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. Dunestar Bandpass Filters are 3-pole, capacitive coupled, with High-Q capacitors and inductors used for tuned circuits. Filters are conctructed on glass-epoxy PCB in Aluminum Enclosure. Inputs and outputs are at DC ground. Dunestar Model 600: Multi-Band Remote Switched BPF - at least 100 Watts - 160, 80, 40, 20, 15, 10 meters - Remote control only - ~$379; There may be others so look around. Note some of the above manufacturers also have single band band-pass filters available. These might be appropriate inline near mono-band antennas. One option is to buy external bandpass filters--they are sold by Top Ten Devices and Dunestar for multi-transmitter contest stations. Below are published articles on building tight bandpass filters. Articles. Sep 1998 QEX . 57 . A Narrow 80 Meter Band-Pass Filter (RF) Lau, Zack, W1VT . Nov 1998 QEX . 58 . A Narrow-Bandwidth 40 Meter Band-pass. It is a honour for us to support VP8/VP8PJ DX pedition to South Orkney Islands, 2020 with our NEW 1500DX, II SERIES PERFOBOX BANDPASS FILTERS . LowBandSystems 1500W DX SERIES II, PERFOBOX filters, nice 8 high stack of filters, cool idea for large, installation! 01/12/2019. Photo from A5A - Bhutan. Roller Coasters of SeaWorld Orlando. Average Wait Times, What Time to Ride, Reviews. Austin Rdzanek Dec 02, 2021. A Guide to SeaWorld Orlando’s Roller Coasters.. Jan 18, 2017 · Kraken Virtual Reality, Central Florida’s first VR roller coaster, and a new Dolphin Nursery are coming to SeaWorld Orlando in 2017 as part of $175 million in new and upgraded attractions recently.

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Buy it now - DUNESTAR BAND PASS FILTER for 20M (14 MHZ) Add to Watch list. More to explore: RF Pass Filters & Microwave Pass Filters, Test Equipment Multimeters Low Pass Filter, 20m HDMI Cable, Pass & Seymour Electrical Plugs, 1 MHz Oscilloscopes &. Homebrew automatic SO2R controller (two homebrew band decoders drive a two-of-ten homebrew SO2R antenna switch and two Dunestar model 600 bandpass filters) 2nd tower rotator box (Ham M) Yaesu FT-1000 (main station) Main tower rotators (upper for top KT-34XA and 2el 40, lower for lower KT-34XA and 6M). The Dunestar 400 HPF does what it is supposed to do - the cutoff is very sharp starting just below 1.8 mhz. Without the filter I would not have been able to operate on 160 meters from this QTH near a broadcast station in Guam. Many thanks to Dunestar - KH2/K4SXT. It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. Coax Stubs Icom 627: AK6R Technical Information. This page describes some of the technical specs of my stations, antennas, switching for SO2R operation and other matters needed to operate a successful contest station. Summary Dunestar and I.C.E. filters: From: [email protected] (C.T. Morton) Date: Mon Nov 4 14:49:39 1996 > At NC0P Toni uses a Dunestar (we lovingly call them dungstars) on all four rigs. We are usually M/S but have the other rigs looking for mults. very gud results in my opinion. Seem to still get some 20-15 meter bleed over but this is in. </span> aria-label="Show more">. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: eBay Deals; Find a. One option is to buy external bandpass filters--they are sold by Top Ten Devices and Dunestar for multi-transmitter contest stations. Below are published articles on building tight bandpass filters. Articles. Sep 1998 QEX . 57 . A Narrow 80 Meter Band-Pass Filter (RF) Lau, Zack, W1VT . Nov 1998 QEX . 58 . A Narrow-Bandwidth 40 Meter Band-pass. DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. DuneStar Model 504 Bandpass Filter Characteristics By Bob Wolbert, K6XX The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously—without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously--without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m.

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It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. See Dunestar web site for details. I used these filters in SO2R setup, but eventually decided to give it up. Both filters work fine; the exterior has few light scratches, but no dents, dings, or other signs of rough use. With a MOSFET output, the 2.2k ohm resistor becomes 22k ohm and the 1N4001 diode is unnecessary. One final option is a switch that disables the DuneStar power when SWLing; even megapower broadcasters are hard to copy when the filters chop them out! Table 2. FT-1000MP BAND DATA Jack Pinout DIN # Name Function. I own two Dunestar 600 all-band filters and individual Dunestar 300 band filters for 10, 15, 20, 40 and 80 meters. I also use a Dunestar 2-radio headphone selector. Ron promptly answered my email and told me everything I needed to know about his triplexer, and as an added bonus, he offered to send me one to test.. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. Dedicated stubs off the 6 Pack provide up to 60db of separation between radios and even more with Dunestar Filters between radio and amplifier. I use N1MM logger for contest logging, VKCL logger, MMVARI, MTTY/SSTV. While contesting, the 2nd rig (FT2000) uses an SDRPlay to provide live spectrum taken from the antenna in use via a MFJ-1708 SDR. Elecraft K3 (2) filters: 2.7kHz, 2.1kHz (8 pole) 1kHz (8 pole), 400Hz (8 pole), identical sub rx Kenwood TM-261 (2 Meters) Amplifiers: Elecraft KPA 1500 (2) ... DuneStar Band Pass Filter (4) Array Solutions 2KW 20M and 40M Low Pass Filters 4O3A 2KW 10M, 15M, 20M, 40M and 80M Low Pass Filters. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>. Dunestar Systems - RF Bandpass Filters, HF Triplexer, K6KV Triplexer, HF Highpass Filters, Portable Antennas and Switching Devices, as well as custom applications for amateur radio and commercial users. Band-Pass Filters for HF Tranceivers (arrl.org) Universal HF Band Pass Filter Kit (kitsandparts.com) '. Building your own Band Pass Filters:. Dunestar Systems manufactures RF Bandpass Filters, HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial users. We are the originators of HF multiband switchable bandpass filters. For more information, click any product below. And, of course, if you have any questions, feel free to contact us!. It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. DuneStar Model 504 Bandpass Filter Characteristics By Bob Wolbert, K6XX The DuneStar 504 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously—without blowing up your receiver front-ends. This model consists of five bandpass filters, one each for 160m, 80m, 40m, 20m, and 15m. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. I recommend these filters. The Dunestar 400 HPF does what it is supposed to do - the cutoff is very sharp starting just below 1.8 mhz. Without the filter I would not have been able to operate on 160 meters from this QTH near a broadcast station in Guam. Many thanks to Dunestar - KH2/K4SXT. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168.0.195 port 50001 and 192.168.0.197 port 50003.. "/>.

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Single bandpass filters for 10, 15, 20, 40, and 80 meters. Very lightly used and in good condition. $200 plus shipping for all 5. An Inquiry into your eHam classifieds post : 5 single band Dunestar bandpass filters. 5 single band Dunestar bandpass filters. Send this to a friend with an introduction. Required!. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Dunestar 1.8 MHZ (160M) band pass filter. More infos here. Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: eBay Deals; Find a. DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. Dunestar Systems, Saint Helens, OR. 270 likes. Dunestar Systems manufactures RF Bandpass & HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial. Whereas the TinyPaddle is designed around being the most simple/minimalist backup paddle solution–basically a wee paddle with a male 3.5mm connector that plugs directly into a rig’s paddle jack–the TPJ takes it one step further.. The TPJ is essentially the TinyPaddle with a female 3.5mm plug encased in a 3D-printed holder and protective cover. Dunestar Bandpass Filters are 3-pole, capacitive coupled, with High-Q capacitors and inductors used for tuned circuits. Filters are conctructed on glass-epoxy PCB in Aluminum Enclosure. Inputs and outputs are at DC ground potentials. Dimensions: 51 x 152 x 44 mm (including mounting flange. Ihe insertion loss is typical 0.5 - 0.7 dB, with band. Jan 30, 2021 · Step 2: Define audio cables for each radio in the VAC Control program. Step 3: Start two intances of ExpertSDR2 and make sure that each radio is connected with separate IP adresses i.e. 192.168..195 port 50001 and 192.168..197 port 50003.. "/>. • Filter select relays to be located on individual filter boards. • Individual filters plug-in to motherboard or may be used stand-alone. • Motherboard to accommodate 6 plug-in filters and by-pass relays. • DB9 male connector on MB wired for plug-in replacement of Dunestar 600. It is a honour for us to support VP8/VP8PJ DX pedition to South Orkney Islands, 2020 with our NEW 1500DX, II SERIES PERFOBOX BANDPASS FILTERS . LowBandSystems 1500W DX SERIES II, PERFOBOX filters, nice 8 high stack of filters, cool idea for large, installation! 01/12/2019. Photo from A5A - Bhutan. Dunestar Systems, Saint Helens, OR. 270 likes. Dunestar Systems manufactures RF Bandpass & HF Highpass Filters, HF Triplexers, Portable Antennas and Switching Devices for amateur radio and commercial. We have a Dunestar 600 filter at each of the two operating positions. The filters offer excellent band-to-band rejection, low insertion loss and provide for efficient multi-transmitter operation. I recently had Ron (N7EA, owner of Dunestar) rework both filters. He did an excellent job and turnaround was fairly quick. I recommend these filters. is a switch that disables the DuneStar power when SWLing; even megapower broadcasters are hard to copy when the fil-ters chop them out! Operation This is the best part. Once the interface is built and con-nected, no user intervention is required. Change the frequency of the FT-1000MP and the DuneStar bandpass filter bank switches automatically.

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It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. Band Pass Filter Series XL. Product Code BPFXL. 399.00€. Choose options. These high-power (4,500 W ICAS) Band Pass Filters are to be fitted on the output side of your linear amplifier, filtering out not only harmonics but also. It's interesting to see that compared to the very popular Dunestar filters, the 5B4AGN TXBPF are superior in performance overall and at a much cheaper cost. I seem to remember these worked out at about £40 each to build. Of note is the exceptionally good insertion loss figures on these filters, varying from 0.19dB to just 0.31dB which. Single bandpass filters for 10, 15, 20, 40, and 80 meters. Very lightly used and in good condition. $200 plus shipping for all 5. An Inquiry into your eHam classifieds post : 5 single band Dunestar bandpass filters. 5 single band Dunestar bandpass filters. Send this to a friend with an introduction. Required!. DuneStar Model 600 Bandpass Filter Characteristics Bob Wolbert, K6XX The DuneStar 600 is a relay-selected bandpass filter array that allows operating two stations on different bands simultaneously-without blowing up your receiver front-ends. This model consists of six bandpass filters, one each for 160m, 80m, 40m, 20m, 15m, and 10m. Perhaps I should call my variants the W3NQN/K8GU filters so someone else shares the blame in this case! The connectors, magnet wire, and enclosures are all readily available. The total components cost, not including excess parts and mistakes, for one filter breaks down as follows: $6 capacitors, $15 cores, $4 mini-box, $6 connectors, $3 wire. Single bandpass filters for 10, 15, 20, 40, and 80 meters. Very lightly used and in good condition. $200 plus shipping for all 5. An Inquiry into your eHam classifieds post : 5 single band Dunestar bandpass filters. 5 single band Dunestar bandpass filters. Send this to a friend with an introduction. Required!. Welcome to Sunshine Filters Home Page. 12415 73RD COURT- LARGO, FLORIDA 33773. 800-423-7947 * 727-573-1897 (FAX) *** SERVING INDUSTRY SINCE 1985 ***. Sunshine Filters, located in west central Florida, is a manufacturer of top quality industrial filter elements for air and gas applications. Our company was founded on the philosophy of a quality. See Dunestar web site for details. I used these filters in SO2R setup, but eventually decided to give it up. Both filters work fine; the exterior has few light scratches, but no dents, dings, or other signs of rough use. Buy it now - DUNESTAR BAND PASS FILTER for 20M (14 MHZ) Add to Watch list. More to explore: RF Pass Filters & Microwave Pass Filters, Test Equipment Multimeters Low Pass Filter, 20m HDMI Cable, Pass & Seymour Electrical Plugs, 1 MHz Oscilloscopes &. The band output port drives things like relay-switched DuneStar band filters The CI-V interface allows rig control via computer, and makes logging programs like TR-Log and CT really shine correspond with the values CI-V BAUD and CI-V ADDRES in the IC7100 [Updated 8 December 1997] The K6XX CI-V and Band Select Output Interface for Icom Rigs. Station "C" consisted of an Icom IC-751A with a 250 hz filter in the IF. I used the right channel of the sound card in the station "B" computer to decode the RTTY. I used an extra COM port on the same computer to key PTT and FSK. This station was dedicated to 10 meters only and used a Dunestar 10M filter. A Honda generator was on hand for charging and powering the laptops used in logging and PSK operations. A pair of Dunestar filters were used for out of band rejection considering our antennas were only a couple of feet apart. The filters worked flawlessly and neither station experienced interference. A passive filter is a kind of electronic filter that is made only from passive elements -- in contrast to an active filter, it does not require an external power source (beyond the signal). High power co-axial stub filters to minimize inter station interference. Dunestar Model 600 Multi-Band Remote Switched Bandpass Filters. . test, including Dunestar filters on both rigs and stubs on all the main feed lines. Including feeds to the VHF and WARC band antennas, we used a total of 1200 feet of coax. The tribander and 15-meter quad were fitted with 22-foot open and shorted stubs, respectively, allowing the tribander to be used on 10 and 20. tabindex="0" title=Explore this page aria-label="Show more">. DUNESTAR 600 multiband filters Revised November 4, 2008 [added pictures of internals] The pictures which follow were made using an HP-141T-HP8552B-HP8553B spectrum analyzer with an HP8444A tracking generator. The inital scans were performed on June 8, 2008 on a DuneStar Model 600 which was delivered on June. Dunestar 14 MHZ (20M) band pass filter. More infos here.

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