Pc/rig interface for packet

From: Mike Markowski (pasibli@foi.se)
Date: Thu May 01 2003 - 21:00:55 EEST

  • Next message: Curt Mills, WE7U: "Re: Pc/rig interface for packet"

    Thanks, everyone, for your helpful responses of a couple weeks ago.
    I've now got my rig talking to my laptop via hamlib - I love xlog's
    use of hamlib!

    I had other things occupying time for the last couple weeks but
    now want to get back to getting a packet radio set-up up &
    running. The user mode soundmodem & kernel (2.4.20) w/mkiss
    support is now compiled, though I haven't finished going through
    the HOWTO to get everything else set up - that AX.25 HOWTO seems
    to go on and on... :-o I haven't bothered finishing it yet
    because I still have to make a cable, which brings me to my
    question.

    For the rig/pc cable do you have opinions of the two choices I'm
    aware of:

       * Use a simple idea like
         http://www.baycom.org/~tom/pcf/ptt_circ/ptt.html

       * Buy the Rascal kit (US $20) at
         http://www.packetradio.com/psk31.html

    Would electrically isolating the Tx/Rx/PTT signals like in the Rascal
    kit make a significant difference? I read that the isolation is
    important if you want to use packet on HF.

            Thanks!
            Mike AB3AP
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