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Antenna placement

Chez471

Member
Joined
Nov 23, 2023
Messages
24
Location
Monsey
I’m installing a XTL 2500 UHF 450–520 in my car and I’m wandering where is the best placement to put the antenna? Should I put it in the center of my roof near the existing radio antenna? Anyone have any clue?
 

K6GBW

Member
Joined
May 29, 2016
Messages
468
Location
Montebello, CA
Anywhere on the roof, as long as you have about 6-8 inches of metal around its base should work fine. I have mine on the back of my Subaru between the luggage rack and the AM/FM antenna and it works fine.
 

Chez471

Member
Joined
Nov 23, 2023
Messages
24
Location
Monsey
The original car radio antenna The original car radio antenna won’t interfere with it?
 

bharvey2

Member
Joined
Mar 12, 2014
Messages
1,859
Even if you don't intend to transmit very often, it would be a good idea to keep the antennas as far away fro each other as possible while still a maintaining a decent amount of ground plane under the new antenna. In the rare event that you do decide to transmit, you don't want to damage your car radio. On my daily driver, my transmitting antenna is about 16" away from my am/fm antenna. I often have both radios on at the same time. Transmitting doesn't seem to have any effect on my am/rm radio at all.
 

merlin

Active Member
Joined
Jul 3, 2003
Messages
2,665
Location
DN32su
Center of the roof would be ideal or any place inside of better than 6 inches perimiter.
Rarely. Mostly listening
GMRS frequencies would be the only legal "with a license" channels you could transmit on. Otherwise you would need some authorization to use any other frequencies.
 
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