Description
ICAO DOC 9816 Manual on VHF Digital Link (VDL) Mode 4 Ed 1
This manual contains a comprehensive description for the Very High Frequency (VHF) Digital Link (VDL) Mode 4, notably the capabilities, technical chatartristics and modes of operation of VDL Mode 4. It compliments the Standards and Recommended Practices for VDL Mode 4 as contained in Annex 10.
