[Bill Meara] was watching the International Space Station and the Shuttle Discovery pass overhead a few weeks ago, which rekindled an interest he gave up long ago – sending and receiving radio packets ...

An unidentified anomaly involving the radio serving the ARISS APRS Packet System on board the ISS has led to the system not functioning. A similar problem has occurred on other occasions and solutions ...

CATS is a new communication and telemetry standard intended to surpass the current Automatic Packet Reporting System (APRS) standard by leveraging modern, super-cheap Frequency Shift Keying (FSK) ...

The Automatic Packet reporting System (APRS) tracker WhereAVR is a low-cost, low-power, lightweight/small device which is capable of decoding ax.25 packets while featuring a full complement of analog ...

The project is a low cost APRS tracker that is lightweight, low-power, and low-cost with a full complement of analog and digital I/O while having the ability to decode ax.25 packets. The project is a ...