transmit relay

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transmit relay

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Manufacturers : Cable and Connectors

  • Max-Gain Systems, Inc. - Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!
    [ Hits: 7427 | Votes: 9 | Rating: 6.72 ]
Software : DX Cluster
  • DXSPOTS - DXSPOTS is a Telnet connection program. It allows radio amateurs with a lot of DX traffic to know instantly the status of the bands and to know which DX are currently on the air. Following the Packet-Clusters where data was transmitted on VHF/UHF via dedicated relays and sometimes on HF at a very low speed (300Bds on HF), the Internet has taken over and is now transmitting DX information via the computers in most shacks. Translated with www.DeepL.com/Translator (free version)
    [ Hits: 146 | Votes: 0 | Rating: 0 ]
Technical Reference : Beacon keyers
  • Morse Code Beacon Keyer - This circuit stores a single morse code message as bits in an EPROM chip, the message is sent to a relay which can key a CW transmitter.
    [ Hits: 1117 | Votes: 0 | Rating: 0 ]
  • Morse Code Beacon Keyer - This circuit stores a morse code message as bits in an EPROM chip, the message controls a relay that keys a CW morse code transmitter. An Arduino processor can also be used in place of this circuit, that eliminates the need to build the circuit and program an EPROM.
    [ Hits: 379 | Votes: 0 | Rating: 0 ]
Technical Reference : Coax Cables and Connectors
  • QRO Coaxial Relay for 50 MHz - Build a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
    [ Hits: 361 | Votes: 0 | Rating: 0 ]
Technical Reference : Mircrowave
  • FHD22 - FHD22 radio-relay transmitter and receiver by F4DAY
    [ Hits: 327 | Votes: 0 | Rating: 0 ]
Technical Reference : Transverters
  • A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.
    [ Hits: 4832 | Votes: 2 | Rating: 10 ]
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