Refueler
Well-known member
My Icom AIS has a diagnostic that includes antenna. If you have a set with similar facilities swop the antenna leads to check the VHF antenna - assuming of course that you have sufficient slack in the antenna leads to allow them to be easily exchanged.
Post #9 ......
The main item to make sure is that antenna is direct connected to VHF and not through any splitter .... splitters cause diagnostic to fail.