I've been looking for a good dual band ground independent antenna for both the HAM 2M/70cm band and the MURS/GMRS bands.
I have a new Comet CA-2x4SR antenna, which works, but requires a good ground plane. I don't want to drill any holes and the coupling with a magnet mount results in higher SWR, but still usable.
I have an old Comet CA-2x4MB which is ground independent but hasn't been manufactured in years. I would like to find something like it.
I recently did some SWR scans using a Rigexpert AA-1000 antenna analyzer, got similar results with spot checking using an old MFJ-269 as a sanity check, to confirm the performance. The antenna is mounted on a luggage rack using a Diamond K550KM rack mount kit on a cross rail on top of a Jeep.
The scans all look very good for a large high gain antenna.
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Lscott
I've been looking for a good dual band ground independent antenna for both the HAM 2M/70cm band and the MURS/GMRS bands.
I have a new Comet CA-2x4SR antenna, which works, but requires a good ground plane. I don't want to drill any holes and the coupling with a magnet mount results in higher SWR, but still usable.
I have an old Comet CA-2x4MB which is ground independent but hasn't been manufactured in years. I would like to find something like it.
I recently did some SWR scans using a Rigexpert AA-1000 antenna analyzer, got similar results with spot checking using an old MFJ-269 as a sanity check, to confirm the performance. The antenna is mounted on a luggage rack using a Diamond K550KM rack mount kit on a cross rail on top of a Jeep.
The scans all look very good for a large high gain antenna.
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