AIS-CTRX Class B AIS Transponder Manual
Radio Frequency Exposure
To meet the requirements for Radio Frequency Exposure it is necessary to install the VHF
antenna correctly and operate the AIS equipment according to the instructions.
The table below shows suitable safety distances to other equipment that could cause
interference with the AIS Class B Transponder.
Object Safety distance
Radar antenna, X-band 1, 5 m (5 ft)
High efficiency engines 1 m (3 ft)
HF or VHF antennas 3 m (10 ft)
AC power cables with high currency 1 m (3 ft )
Satellite communication antennas 4 m (13 ft)
1.1E 43 LD2103