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• SJ2W 160 meter antennas - SJ2W Contest Station, antenna for the 160 meter is a 39m vertical. This 160m antenna consist of 29m of WIBE tower sections with an insulated base and 10m top tube.
  [ Hits: 518 | Votes: 0 | Rating: 0 ]

• 146MHz 5/8 Ground Plane Antenna - 146MHz 5/8 ground plane tower mounted antenna. The antenna was largely based information and analysis provided by the RSGB's. VHF UHF Manual, fourth edition by G.R.Jessop, G6JP
  [ Hits: 3444 | Votes: 16 | Rating: 4.01 ]

• 80m Vertical Antenna with Folded CounterPoise - A very efficient 80 meter Counterpoise antenna designed to reduce ground losses from inadequate radial systems beneath inverted L antennas, a project by DM2GM and DM4IM based on the original K2AV antenna concept.
  [ Hits: 1090 | Votes: 2 | Rating: 7 ]

• 136kHz Vertical Antenna - Experimental 136kHz Vertical Antenna at G3YMC based on an old Butternut HF2V 40/80m vertical antenna
  [ Hits: 778 | Votes: 1 | Rating: 3 ]

• South Central Cb Radio - We are an organization who believes in the use and hobby of using Cb Radios. Whether you re young or old, age doesn't matter to us. If you are interested in Cb or Amateur radio this is the place to be. We are a new organization based in south central Wisconsin
  [ Hits: 341 | Votes: 0 | Rating: 0 ]

• Find a QSL Route - Find QSL managers using various QSL databases
  [ Hits: 541 | Votes: 2 | Rating: 1.5 ]

• UK Band Plan - RSGB Bandplans largely based on those agreed at IARU Region-1 General Conferences with some local differences on frequencies above 430 MHz
  [ Hits: 588 | Votes: 3 | Rating: 4 ]

• Stockport Radio Society - The home page of stockport amateur radio society, callsign g6uq. based in cheshire, england.
  [ Hits: 272 | Votes: 2 | Rating: 10 ]

• New York City Amateur Radio Emergency Communications Service NYC-ARECS - New York City Amateur Radio Emergency Communications Service (NYC-ARECS) is a NYC based auxiliary communications service. The organization is made up of amateur radio operators who are trained and dedicated to providing radio communications for governments, civil-preparedness and relief agencies during periods of local, regional, or national civil emergencies. This may include situations such as power failures, explosions, fires, floods, earthquakes or terrorist activities. NYC-ARECS is a participant in the NYC Office of Emergency Management (OEM) Partners in Preparedness program and a member of DHS FEMA's National Preparedness Coalition.
  [ Hits: 499 | Votes: 1 | Rating: 1 ]

• Lambdahalbe Antennas - Antennas manufacturer based in Germany produce portable and wire HF VHF antennas
  [ Hits: 487 | Votes: 2 | Rating: 10 ]

• Pro-Link products - Pro-Link products, coax cable manufacturer specialize in a comprehensive range of Fibre Optic Cables, 50ohm and 75ohm Coaxial Cables, RF Cables, 10Base-T Cables, Connectors and Networking Products
  [ Hits: 240 | Votes: 0 | Rating: 0 ]

• Tralicci Angelucci - Ham radio antenna towers manufactuer based in Italy
  [ Hits: 565 | Votes: 4 | Rating: 7.75 ]

• Iambic Keying - Iambic Keying, Debunking the Myth by Marshall G. Emm, N1FN. A keying system controls transmitter activation, ranging from basic switches to electronic keyers that generate Morse code based on paddle input. Iambic keyers, introduced in the late 1950s, respond to simultaneous paddle closures with alternating dots and dashes. Despite touted efficiency, actual benefits are modest, offering about a 5% improvement in keystrokes, diminishing at higher speeds. Iambic keying's practical value is limited and may restrict sending speeds.
  [ Hits: 627 | Votes: 0 | Rating: 0 ]

• k7ICU Tucson AZ Repeater - The K7ICU repeater system is situated about 500' above metro Tucson, at the base of the Catalina Mountains. It is an open system providing coverage to the greater Tucson area.
  [ Hits: 423 | Votes: 0 | Rating: 0 ]

• NuxCom - Ham Radio Antenna parts and kits manufacturer, based in Germany
  [ Hits: 792 | Votes: 0 | Rating: 0 ]

• JS8Call - Js8Call is communication software designed for keyboard-to-keyboard message passing. Based on the WSJT-X application and implementing the FT8 protocol techniques, it's a separate project run on Linux, Windows and MacOS
  [ Hits: 954 | Votes: 3 | Rating: 10 ]

• A 600 Watt homebrew Solid State Amplifier - A solid state linear based on EB104 Motorola Engineering Bulletin by Helge Granberg. It uses 4 MRF150 FETs in push-pull parallel to acheive 600 Watts from about 6 Watts drive
  [ Hits: 1979 | Votes: 3 | Rating: 5.33 ]

• Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.
  [ Hits: 534 | Votes: 0 | Rating: 0 ]

• QLF Filter - Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
  [ Hits: 373 | Votes: 0 | Rating: 0 ]

• SA5BKE Simple signal generator - A simple DIY signal generator based on NorCal QRP club kit
  [ Hits: 458 | Votes: 0 | Rating: 0 ]

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