GMDSS: Element 7

1. A Calling the USCG on VHF CH-16 or 2182.0 kHz is the most effective method.
2. B Tests may be accomplished by using the equipment for normal business.
3. C A daily test is necessary unless the equipment was used for routine traffic.
4. D The test may not interfere with communications in progress and must wait or be suspended if a request to do so is made.

Tip: press A-D to answer