Decoding Navtex: WAS User-defined Antenna Labels
Here is the manual for YaND
This maybe a help for you
Sent: Sunday, October 8, 2017 1:09 PM
Subject: [SDR-Radio] Decoding Navtex: WAS User-defined Antenna Labels
Use YaND (Yet another Navtex Decoder). You can download it from the NavtexDX
Group (still on Yahoo). It is free, and it does absolutely everything you
could ask of a Navtex decoder.