vhf transmitter

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vhf transmitter

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Antennas : Quad

  • Shrunken Quad - VHF quad antenna for transmitter hunting.
    [ Hits: 2589 | Votes: 2 | Rating: 10 ]
  • Designing VHF/UHF Quad Antenna - The information in this article has come from many amateur sources, the most notable was from WA6TEY (sk 1985) Ray Frost, who was a pioneer of VHF Quad designs and one of the best Southern California Transmitter Hunters. Ray built hundreds two meter quads in single and paired configurations as well as his famous mobile radio direction finding quad.
    [ Hits: 961 | Votes: 7 | Rating: 8 ]
Operating Modes : Repeaters : Europe
  • Isle of Man Repeaters - Isle of Man Repeaters maintained by David Osborn GD4HOZ this site covers the VHF repeater GB3GD and UHF internet linked 70cm repeater GB3IM. Using Allstar software for linking GB3IM is the only site in the uk to have three transmitters. Supported by the Isle of Man Amateur Radio Society
    [ Hits: 338 | Votes: 0 | Rating: 0 ]
Technical Reference : Raspberry Pi
  • WSPR transmitter using a Raspberry Pi - Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antanna (and LPF), operates on LF, MF, HF and VHF bands from 0 to 250 MHz.
    [ Hits: 960 | Votes: 6 | Rating: 4.5 ]
Technical Reference : Transverters
  • 2m to 70cm Transverter Circuit - A 70cm / 432 MHz Transverter Project transverter circuit is an electronic device that converts a radio signal from the 2 meter to the 70 centimeter band and vice versa, allowing a single transmitter/receiver to be used for both bands. It consists of an IF stage, local oscillator, frequency multiplier, and amplifier. The circuit must be designed for minimal signal loss, noise and intermodulation distortion.
    [ Hits: 77 | Votes: 0 | Rating: 0 ]
Technical Reference : VHF Radios
  • VHF CW Transmitter - Simple CW transmitter for the two meters band
    [ Hits: 1941 | Votes: 2 | Rating: 7.5 ]
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