Appendix 6: References¶

AX.25 Link Access Protocol for Amateur Packet Radio, version 2.2, July 1998

http://www.tapr.org/pdf/AX25.2.2.pdf

NMEA 0183 Interface Standard

https://www.nmea.org/content/STANDARDS/NMEA_0183_Standard

NMEA Sentence Formats, in the Garmin GPS25 Technical Reference Manual

http://www.garmin.com/manuals/spec25.pdf

Maidenhead Locator, in the IARU Region 1 VHF Manager’s Manual

http://www.scit.wlv.ac.uk/vhfc/iaru.r1.vhfm.4e/index.html

APRS NWS Weather bulletin format https://www.aprs-is.net/wx/

APRS-IS Specifications https://aprs-is.net/Specification.aspx