Friday, October 19, 2012

Digital modes for a CW transceiver

As I don't know morse code and software decoding of morse seems pretty poor in my experience, I've been looking in to digital modes that could be used with a very simple carrier on/off transmitter.

So far, there are two I've found:

  • Feldhellschreiber - an on/off fax like transmission of letters using 1ms dots
  • CCW - "Coherent CW": an accurately timed version of morse with extra characters supported by MultiPSK. It runs at 12 words per minute and includes a start sequence to allow synchronisation.
  • Any others?
There's an informative thread in the Yahoo? digitalradio group.

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