"PulseModem A" is an APRS client, that reads and reports APRS location and messages.

APRS is a digital communications protocol that can exchanges information among large number of stations both local and global.

You as a licensed Amateur Radio operators can send and receive APRS location and message in 2 ways:
- Direct to the APRS-IS Network
- Sent via amateur radios supporting VHF Band at 144MHz.

Full AX.25 software AFSK modem is available for off-the-grid operations. Internet optional!

APRS is a registered trademark of Bob Bruninga.