E1A10

If an amateur station is installed aboard a ship or aircraft, what condition must be met before the station is operated?

1. AIts operation must be approved by the master of the ship or the pilot in command of the aircraft
2. BThe amateur station operator must agree not to transmit when the main radio of the ship or aircraft is in use
3. CThe amateur station must have a power supply that is completely independent of the main ship or aircraft power supply
4. DThe amateur station must operate only in specific segments of the amateur service HF and VHF bands

Pick an answer to check it.