APRS-IS Passcode Generator
Generate your APRS-IS passcode offline. This calculation is done entirely in your browser.
Your APRS-IS Passcode:
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⚠️ Important Security Note
- • This passcode grants access to the APRS-IS network with your callsign
- • Keep your passcode private and secure
- • Only use your licensed callsign
- • The calculation is done offline for security
📖 How APRS-IS Passcodes Work
APRS-IS passcodes are calculated using a simple algorithm based on your callsign. The passcode authenticates your callsign when connecting to APRS-IS servers.
- • Passcodes are 4-5 digit numbers
- • Each callsign has a unique passcode
- • Adding a SSID (like -10) doesn't change the passcode
- • Used for APRS software, beacons, and gateways