References
ITU-R M.2092–1 Technical
characteristics for a VHF data exchange system in the VHF maritime
mobile band – available at:
https://www.itu.int/rec/R-REC-M.2092
ITU-R M.2435-0 – Technical studies on the satellite component of the
VHF data exchange system – available at:
https://www.itu.int/pub/R-REP-M.2435