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Showing content with the highest reputation on 04/29/2019 in all areas

  1. 1 point
    chicken

    [POTM] dAISy - A Simple AIS Receiver

    Hi Varnak, The dAISy software does change the channel every so often. The code for switching between the channels start at line 329 in packet_handler.c https://github.com/astuder/dAISy/blob/master/packet_handler.c#L329 The receiver will switch to the other channel when the state is PH_RESET, which is the case after an error, successful message, or when there is no start of message within PH_SYNC_TIMEOUT (defined in line 27) clock ticks (one tick being 1/9600 second). Statistically, it will miss at least 50% of the message as it can only listen on one channel at a time. Regards, Adrian
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