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how to test radio antenna effectiveness?


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chris l. 
Member - Posts: 4
Member spacespace
Joined: August 03, 2007
Location: United States
Posted: August 28, 2007 at 7:53 PM / IP Logged  
Is there a tool to measure radio reception strength?
My factory radio worked fine (of course) when I took delivery. The antenna is embedded into the rear glass. After a bodyshop removed and reinstalled the glass I lost like 50% of the sound quality. I saw the bodyshop reconnected the antenna wire but I wonder if they screwed something else up. I can pull in all of the radio stations just fine, but it sounds like crap with a loss of mids.
cutlass013 
Copper - Posts: 95
Copper spacespace
Joined: July 27, 2006
Location: United States
Posted: August 28, 2007 at 9:28 PM / IP Logged  

I dont Think there is a tool to measure the antenna strength but there is diffrent types of antennas. is everything grounded correctly?

sparkie 
Platinum - Posts: 2,061
Platinum spacespace
Joined: November 06, 2003
Location: Canada
Posted: August 29, 2007 at 8:28 AM / IP Logged  
There are tools that can measure the signal strength of the signal your radio is receiving, but it depends on the year, make and model of your car. Some rear window antennas use an antenna module to convert the signal before sending it to the radio. There may be a problem with it or one of the cables it connects to. If window tint is added to the window the antenna is in, you will experience a signal loss. The more metal content in the tint, the worse the antenna will perform. The easiest way to determine if you have an antenna problem, is to plug in a test antenna at the radio and see if the reception improves. You need to rig up a ground wire connected to the antenna base to correctly test it.
sparky
chris l. 
Member - Posts: 4
Member spacespace
Joined: August 03, 2007
Location: United States
Posted: August 31, 2007 at 2:35 PM / IP Logged  
Great idea sparky, thanks.

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