2007JT/T 679-2007 Technical requirement of very high frequency (VHF) coast station
1991JT/T 4609-1991 Technical requirements for VHF/UHF radio communication base stations
JT/T 4609-1991 Technical requirements for VHF/UHF radio communication base stations was changed to JT/T 679-2007 Technical requirement of very high frequency (VHF) coast station.