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Recent content by james444

  1. J

    Wire in an external PTT line to a CB radio

    Came across this looks interesting. Placed inside radio or build a separate unit.
  2. J

    Wire in an external PTT line to a CB radio

    Well i tried the Zetagi pre-amp option and it didn't work out while using SSB the clicking of the relay in the Pre-amp and the SDR TX/RX switch was driving me crazy. Be interested in building a ptt push button box if you could give me some instructions on how to get started. This is the back of...
  3. J

    Wanted: Astatic 575-M6 Mic cartridge element

    Anyone have one for sale or can suggest where to purchase one. Did source one from R&R communications, inc. a few years back but they've closed down.
  4. J

    Wire in an external PTT line to a CB radio

    To be honest wouldn't even know where to start. The way it's explained in the video seems pretty straight forward but to build one from scratch is a bit beyond me.
  5. J

    Wire in an external PTT line to a CB radio

    Was looking for more of an external solution outside of the radio to be honest like something similar to this
  6. J

    Wire in an external PTT line to a CB radio

    i'm running a SDR TX/RX switch with a Cobra 148 gtl dx and would be great to wire up the 3.5m ptt instead of relying on the rf sensing on it.
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