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A mobile station's APRS position packet on 144.390 MHz is relayed on the same frequency by a digipeater on a high site and passed by an iGate to the APRS-IS servers, which feed public maps such as aprs.fi. See APRS.
A mobile station's APRS position packet on 144.390 MHz is relayed on the same frequency by a digipeater on a high site and passed by an iGate to the APRS-IS servers, which feed public maps such as aprs.fi. See APRS.