“Worlds smallest APRS transceiver with TNC” offers many applications. Matchbox-sized, built-in GPS receiver. The transceiver can not only be used as APRS tracker and receiver for APRS data, but also as TNC (KISS protocol) for computer.  The graphical OLED display (128×64 pixel) shows received APRS packets such as position reports, APRS messages and status information.  … Continue reading PicoAPRS with GPS receiver