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2953Re: [V4Protocol] ARQ protocols used over RF links

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  • William Calderwood
    Sep 2, 2012
      Rick -

             I had a V4 Chat QSO with David WB6JFHon 14.073 MHz today and noticed what appeared to be malformed data packets (i.e. not ACK/NAK's) from him.  The "malformed" phenomena I speak of is most of the energy was concentrated into the lowest tone frequency (though there was a slight amount in the higher tone frequencies).  No data was decoded from these packets.  I noticed it both in ARQ and FEC mode.  I've attached a screen shot of the phenomena.  I've attached a debug log.  One of the times I saw this occur was late in the minute of 1:40 pm PDT. 

          I have not seen this reported before.  Sorry if this is old news.

                                                                                                                      73, Bill K1CT
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