A frequency that (a) is used by all military units that are equipped to operate at that frequency or in the band in which that frequency lies and (b) is also used internationally by survival-craft stations and survival-craft equipment. [ From Weik '89 ]
MILITARY COMMON EMERGENCY FREQUENCY
Meaning of MILITARY COMMON EMERGENCY FREQUENCY in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012