APRS RX - portapack-mayhem/mayhem-firmware GitHub Wiki

Automatic Packet Reporting System

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  • Display streams of informations using APRS protocol
  • The information displayed is the received streams and a list of the "Source" "Location" "Hits" and "Time".
  • The coloured bars display the received signal strength (Red), baseband signal strength (Blue).

Pre-configured "Regions" (geographic area)

  • North America (NA)
  • Europe/Uk (EUR)
  • Australia (AUS)
  • New Zealand (NZ)
  • ISS (International Space Station)
  • MAN (Manual) if the frequency is manually changed

Controls

Frequency input, if not using Pre-Configured setting.

  • Use rotary encoder over frequency field to move it by steps of 100 Hz
  • Press middle button over frequency field to manually enter a frequency using keypad

Radio settings

From left to right:

  • AMP , "0" or "1"
  • LNA
  • VGA

Volume

  • audio volume level is placed after the colored signal strength bars. When focus is over it, use rotary encoder