GMDSS Maintainer: Element 9

1. A Ensure the antenna is electrically insulated from the mounting mast. Check resistance with ohmmeter.
2. B Ground the antenna chassis to the mounting mast. Apply silicone to weatherproof the connection.
3. C Fashion a drip loop in the transmission line near the antenna. Secure to the mounting mast with cable tie.
4. D Apply waterproof sealant or putty around transmission line connectors. Wrap with self-bonding/vinyl tape.

Tip: press A-D to answer