XM vs My LT- Posessed - BMW Luxury Touring Community
 
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post #1 of 4 Old Apr 11th, 2011, 8:01 pm Thread Starter
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XM vs My LT- Posessed

I have a strange problem that maybe some of you with electrical, radio or RF experience can help. My XM radio fades in and out, even cuts in an out. I changed the location of the antenna from the front to the back, and no difference. I swapped out the mount with my Jeep for the radio and no help. I use the same radio in my Jeep with no problems. I sometimes get "Acquiring Signal" ir "Check antenna connections" on the screen.
Any ideas?


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post #2 of 4 Old Apr 13th, 2011, 12:54 pm
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Re: XM vs My LT- Posessed

bad antenna , probably loose where the antenna plugs into the xm....
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post #3 of 4 Old Apr 13th, 2011, 8:21 pm
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Re: XM vs My LT- Posessed

XM antennas need a "ground plane" in other words the magnet needs some metal to ground to,
the reason it works well in your auto is that there's more metal


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post #4 of 4 Old Apr 14th, 2011, 12:06 am
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Re: XM vs My LT- Posessed

With regard to "acquiring signal":

Quote:
Originally Posted by SilverBuffalo
XM antennas need a "ground plane" in other words the magnet needs some metal to ground to...l
+1.

It is not really for the magnet, rather for the antenna circuit. The antenna works better by - let's put it this way - dissipating the incoming signal in a circuit ground.

I very much experience the same problem with my Sirius radio receiver on my bikes: received signal strength is perceptibly lower than in a car.

"They all do it".

OTOH, if you have "check connections" fault, you may very well have a bad connection, like Kieth wrote.

Robert in Northern NJ

'09 R12GS, '08 R12RT, '03 R1150RT, '01 F650GS - time to thin the herd?


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