ECs in the ACOUSTIC_PHENOMENON group

ECC_ACOUSTIC_DATA_COLLECTION_DEVICE	ECC_ACOUSTIC_EIGENRAY	ECC_ACOUSTIC_RAY_PATH	ECC_ACOUSTIC_SIGNATURE_PROPERTY_SET
ECC_ACOUSTIC_STATION	ECC_ACOUSTIC_TRANSDUCER	ECC_CAVITATION_NOISE	ECC_DEEP_SOUND_CHANNEL
ECC_REVERBERATION	ECC_SOUND_CHANNEL	ECC_SOUND_CHANNEL_AXIS	ECC_TRACK_SWATH
ECC_WATERBODY_ACOUSTIC_PROPERTY_SET	ECC_WATERBODY_ACOUSTIC_SIGNATURE_PROPERTY_SET	ECC_WATERBODY_ACOUSTIC_TARGET_STRENGTH_PROPERTY_SET	ECC_WATERBODY_BIOLOGIC_SOUND_SOURCE
ECC_WATERBODY_FLOOR_SONAR_RETURN