What Is The Difference Between APRS-A and APRS-D

  • APRS-A is commonly know as APRS, using 144.39 Mhz simplex, created by Bob Brunda and reported commonly on aprs.fi
    • 144.39 Mhz FM wideband simplex is most widely used but other frequencies are used for both front and back hauls.
    • APRS was created by Bob Bruninga, WB4APR (SK) in the late 1980’s
  • APRS-D uses a digital transport over the PNWDigital network to connect to aprs.fi via our WA7DMR gateway
  • The Anytone DMR radios support both analog and digital position reporting methods
  • PNWDigital supports a digital to analog position reporting gateway

Views: 165

Views: 165