EAs in the COMMUNICATION group

EAC_ACOUSTIC_BOUNDARY_LOSS	EAC_AERIAL_COUNT	EAC_AERIAL_FUNCTION	EAC_AERIAL_TYPE
EAC_ATS_ROUTE_LOWEST_ALTITUDE	EAC_CHARACTER_EMITTED	EAC_COMMUNICATION_CHANNEL	EAC_COMMUNICATION_STRUCTURE_TYPE
EAC_FOG_SIGNAL_GENERATION_TYPE	EAC_ISOLATED_COMMUNICATION_LINE	EAC_MARINE_TRAFFIC_SIGNAL_TYPE	EAC_MARINE_WARNING_SIGNAL_TYPE
EAC_MARK_TYPE	EAC_MAXIMUM_AUTHORIZED_ALTITUDE	EAC_MINIMUM_ENROUTE_ALTITUDE	EAC_PRIMARY_AERIAL_DEPLOYED_POSITION
EAC_PRIMARY_BROADCAST_FREQUENCY	EAC_PUBLICATION_REFERENCE	EAC_RADAR_BEACON_FREQUENCY	EAC_RADAR_STATION_TYPE
EAC_RADIO_STATION_TYPE	EAC_RELEASABILITY_RESTRICTIONS	EAC_SECONDARY_AERIAL_DEPLOYED_POSITION	EAC_SECONDARY_BROADCAST_FREQUENCY
EAC_SIGNAL_LIGHT_CHARACTER	EAC_SIGNAL_LIGHT_PATTERN	EAC_SIGNAL_LIGHT_PATTERN_COUNT	EAC_SIGNAL_LIGHT_SEQUENCE
EAC_SOUND_SIGNAL_PRESENT	EAC_SOUND_SIGNAL_TYPE