ECs in the COMMUNICATION group

ECC_AERIAL	ECC_AERIAL_SUPPORT_MAST	ECC_AERONAUTICAL_COMM_FACILITY	ECC_AERONAUTICAL_COMM_SERVICE
ECC_AIR_TRAFFIC_SERVICE	ECC_BEACON	ECC_CALLING_IN_POINT	ECC_COMMUNICATION_FACILITY
ECC_COMMUNICATION_STATION	ECC_COMMUNICATION_TOWER	ECC_DEFINED_WATER	ECC_DISH_AERIAL
ECC_DISPLAY_SIGN	ECC_ELECTRICAL_CABLE	ECC_ELECTRICAL_SIGNAL_LINE	ECC_ELECTRICAL_SIGNAL_LINE_PYLON
ECC_ELEVATED_ELECTRICAL_CABLE	ECC_FOG_SIGNAL_DEVICE	ECC_INFANTRY_TRENCH	ECC_LIBRARY
ECC_MAIN_TELECOM_EXCHANGE	ECC_MARINE_SIGNAL_STATION	ECC_NAVIGATION_RADAR_RANGE	ECC_NEWSPAPER_PLANT
ECC_POST_OFFICE	ECC_RADAR_DEVICE	ECC_RADAR_REFERENCE_LINE	ECC_RADAR_STATION
ECC_RADAR_TRANSMITTER	ECC_RAILWAY_SIGNAL_BOX	ECC_RAILWAY_SIGNAL_STRUCTURE	ECC_RAILWAY_SIGNALMAN_HOUSE
ECC_RUNWAY_RADAR_REFLECTOR	ECC_SATELLITE_GROUND_STATION	ECC_TELECOM_SWITCHING_STATION	ECC_TRANSMISSION_STATION
ECC_UNDERWATER_COMMUNICATION_DEVICE