tr switch

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tr switch

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Antennas : Baluns Antennas : Receiving
  • Triband Receiving Loop for 160/80/40m - A receiving only loop antenna for low bands, cover 160 to 40 meters with a remote antenna switch box well described and illustrated in this article
    [ Hits: 890 | Votes: 1 | Rating: 10 ]
Antennas : Theory
  • All About Antennas - A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times
    [ Hits: 1178 | Votes: 3 | Rating: 7.5 ]
Antennas : Vertical DX Resources : Contest : Contest Stations
  • Building a VHF Contest Station - Building an amateur station for competitive radiosport involves a number of critical steps, regardless of the band or bands you focus on. These include, but are certainly not limited to: Station layout, Equipment interconnection and switching, Inter-station interference, Antenna selection. Radio interface with the logging program, CW and voice keyer integration, Rotator control
    [ Hits: 328 | Votes: 1 | Rating: 4 ]
Manufacturers : Antenna Switches
  • NMF Technology - Amateur radio antenna accesories manufacturer, produces four square antenna combiner, antenna controllers, antenna stack match and antenna switches
    [ Hits: 153 | Votes: 2 | Rating: 10 ]
  • K8UR Phased Array Switchbox - A Phased Array Switchbox by ComTek founder K8UR, switch your 4-Square in 8 directions and control it remotely over the internet
    [ Hits: 317 | Votes: 2 | Rating: 5.5 ]
Manufacturers : Antennas : HF : Yagi Antennas
  • Antenna Europe - Antenna Europe is an Lithuanian ham radio HF antenna manufactured specialized in Quad Antennas. Makers of Cubical Quad Antennas, Yagi Antennas, Antenna switches, Transformers and Robinzon Antennas
    [ Hits: 1275 | Votes: 1 | Rating: 1 ]
Manufacturers : Electronic Components
  • CET Technology - Manufactures Flyback, Switching, Audio, Toroidal, Current Sense & Custom Trasformer, Drumcore & PFC Inductor, Common Mode Chokes.
    [ Hits: 136 | Votes: 0 | Rating: 0 ]
Manufacturers : Power Supply
  • Duracomm Power Supplies - Power Solutions for Durable Communication Systems. Founded in Sep. 1992, DuraComm Power Supplies is a worldwide recognized leader in ultra-reliable AC-to-DC switch mode power supplies commonly used in the communications industry.
    [ Hits: 139 | Votes: 0 | Rating: 0 ]
Manufacturers : Remote Control
  • Sierra Radio Systems - Sierra Radio Systems site controllers are used to monitor and control remote radio and equipment sites, often implemented to monitor repeater systems, broadcast equipment, solar power infrastructure, tracking rf power, temperature, voltage, current and switch closure
    [ Hits: 129 | Votes: 0 | Rating: 0 ]
Radio Equipment : Amateur Radio Accessories
  • Ameritron RCS-10 Review - Review of the Ameritron 8 Antenna Remote Coax Switch with SO-239 connectors on 120V
    [ Hits: 145 | Votes: 4 | Rating: 7.25 ]
Radio Equipment : VHF-UHF Handhelds : Baofeng UV-3R
  • Baofeng Mic Pin Out and Programming Cable Schematics - Speaker Microphone Pin Out, Dual PTT Switching,Programming Cables, SMA Antenna Connection, Extended Antenna Threads for Baofeng UV 3, UV 5 Series handheld transceivers
    [ Hits: 1071 | Votes: 8 | Rating: 8.75 ]
Technical Reference : APRS Technical Reference : Antenna Switch
  • 4x1 WiFi Wireless Antenna Switch for Amateur Radio - A wifi remote antenna switch that can be controlled from a smartphone app
    [ Hits: 1358 | Votes: 4 | Rating: 5.5 ]
  • Antenna Switch - An home made antenna switch with a Dummy Load selector. If you forget the radio is connected to the open or grounded side of the switch and you try to transmit, it is very easy to damage the finals of your transceiver.
    [ Hits: 318 | Votes: 3 | Rating: 8 ]
Technical Reference : Coax Cables and Connectors
  • Make Your Own Coax Patch Panel - Homemade coax patch panel for antenna and rig switching
    [ Hits: 569 | Votes: 4 | Rating: 7.5 ]
  • 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 : Mic wiring
  • An Inexpensive Microphone Selector Switch - Take a commercially available switch box intended for switching data lines such as printer cables between two computers, and change out the connectors so that it can be used to switch between two microphones to one transceiver.
    [ Hits: 254 | Votes: 1 | Rating: 7 ]
Technical Reference : Vector Network Analyzer
  • Repairing HP 8753C VNA - A true detective story about a interesting repair project, putting back to life a malfunctioning HP 8753C VNA that was rebooting after startup with noise and clicking sounds produced by the attenuator and switch relays.
    [ Hits: 94 | Votes: 0 | Rating: 0 ]

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