ground plane antenna

I'm a member of my local fire department, where we have this airboat equipped with a dual band radio. It may be hard to see in this picture, but the antenna is mounted toward the front, right in front of the cab. Transmit quality is not great on it. Since it's a fiberglass boat and that...

I just installed a new ground plane antenna on my roofline to receive VHF low band specifically. This is made up of a Tram 1465 Ground Plane base kit, a Larson NMO 40 whip (50” tall), a 2 foot gavanized steel mast and 30 feet of MPD digital 400 coax (similar to LMR400 but white and flexible). I...

I just went through building my first simple ground plane antenna for monitoring air band. It took me a little while to piece together all the various parts and information I needed to complete it, so I decided to throw together a document that hopefully makes it easier for the next person...