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#587088 - 04/05/10 02:23 AM xm antenna placement  
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xbubblehead Offline
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xbubblehead  Offline
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Charles Town, WV
I have done a search on this topic and was wondering why everyone seems to place the xm antenna on the front of the bike. I do want to be able to switch the xm antenna from my bike
to the cage, so under the fairing doesn't work for me. Since the unit came with an extension cord I was thinking of placing the "puck" on a side case or on the Givi topcase shelf (I only use
the case for trips).

After the search, it seems to be a good idea to use 3M Dualock and mount the antenna to it's metal mount with the screws that came with the kit. Then stick the 3M stuff to the bottom
of the mounting plate. This way I can run the cord under the seat to have easy access to removing the puck.

Does anyone know if this would be a problem with reception or just not a good idea for any reasons?

Heres a picture of what I was thinking of doing.


or this set up



15 BMW R9T
07 BMW R1200RT (Sold)
05 Triumph Bonneville (Sold)
#587167 - 04/05/10 02:36 PM Re: xm antenna placement [Re: xbubblehead]  
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markgoodrich Offline
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markgoodrich  Offline
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Austin, TX
Member Limecreek has his puck mounted on the sidecase of his KGT, I think. You might ping him.


2016 R1200RT



#587238 - 04/05/10 07:22 PM Re: xm antenna placement [Re: markgoodrich]  
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xbubblehead Offline
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xbubblehead  Offline
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Charles Town, WV
will do, Thanks!


15 BMW R9T
07 BMW R1200RT (Sold)
05 Triumph Bonneville (Sold)
#587347 - 04/05/10 11:54 PM Re: xm antenna placement [Re: xbubblehead]  
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jakfrost Offline
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Eastern Ontario, Canada
Well if I didn't have an extra one already made up, I wouldn't chime in...it's a bear to make, but it works really well.

http://gallery.me.com/jkwinchester1#100382&bgcolor=black&view=grid

The base is made of very high density steel so the magnetic mount for the GXM really clamps down and stays put! I use stainless steel tubing cut to length, ( each of the 4 'legs' is a different length...), so as to have the steel base EXACTLY level when the handlebars are aiming straight ahead. Just my OCD, ha,ha.

As well as the mounting base, and the SS tubes cut to length, I make the four exact length screws to replace the original front brake reservoir cover screws, and rubber washers to go between everything.

Works really well, my GXM hasn't moved in 5 years and 80,000kms. And the reception is perfect, the antenna has a clear shot at the sky at all times.

Jim

Last edited by jakfrost; 04/05/10 11:55 PM.

05 Red RT:-)

#587362 - 04/06/10 12:41 AM Re: xm antenna placement [Re: jakfrost]  
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cali_beemer Offline
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Folsom, CA
On my 1200Rt I mounted it under the fairing but on top of the gauge unit. It didnt take long at all. It stays completely out of the way. The reception was great. The XM puck will get signal under the plastic, its metal objects that interfere. If you pop the fornt fairing off, you will see the space I mentioned. In my case I used som bonding putting to place it on top. It worked great and the putting isnt so strong I cant pull it off later. It held up for thousands of miles before I sold it.


2004 R1150RT

"The most terrifying words in the English language are: I'm from the government and I'm here to help." Ronald Reagan
#587363 - 04/06/10 12:51 AM Re: xm antenna placement [Re: cali_beemer]  
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jgkbmw Offline
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Menasha, Wisconsin
I would be concerned about reception with it mounted on the side case if the top case was on the bike. I would think it could block reception.

I have my mounted to the break resevoir and never have any issues.


Jay
Menasha,WI
Badger Motorcyclest of Wisconsin Member
BMW-MOA-64
'03 K1200GT
'01 R1100RT (Sold)
'78 R100S (Sold)
#587387 - 04/06/10 01:51 AM Re: xm antenna placement [Re: jgkbmw]  
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xbubblehead Offline
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xbubblehead  Offline
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Charles Town, WV
Quote:
I would be concerned about reception with it mounted on the side case if the top case was on the bike.


That's my concern. I am learning why everyone places the "puck" up front. I spoke with Limecreek who had his on the sidecase but he moved it due to that reason.

I'm thinking of using the front brake reservoir as well. If I was going to keep the antenna on the bike I would place it under the fairing because I like that "clean" look but I will be using it in the cage too.


15 BMW R9T
07 BMW R1200RT (Sold)
05 Triumph Bonneville (Sold)
#587395 - 04/06/10 03:02 AM Re: xm antenna placement [Re: xbubblehead]  
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markgoodrich Offline
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Austin, TX
You haven't mentioned what gps you pipe the music through. I have a 376c Garmin. I just attach the puck directly to the top of the Garmin with Dual Lock. It's never fallen off. The new Zumos don't seem to have a wide spot on top, though.


2016 R1200RT



#587406 - 04/06/10 04:07 AM Re: xm antenna placement [Re: markgoodrich]  
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xbubblehead Offline
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xbubblehead  Offline
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Charles Town, WV
markgoodrich, sorry bout that, I have a Zumo 550. Your right about being to narrow.


15 BMW R9T
07 BMW R1200RT (Sold)
05 Triumph Bonneville (Sold)
#587564 - 04/06/10 05:27 PM Re: xm antenna placement [Re: xbubblehead]  
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LeftCoastMan Offline
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Los Angeles
For the XM radio to work well, the antenna needs a relatively unobstructed view of the Southern sky. Human bodies, being mostly water, don't obstruct the signal too much. Metal, plastic, glass, and other hard substances can. I would be concerned if you put the antenna in a location that does has limited view, especially if you're driving south, you might lose the signal.

This is what I did, though I've improved it a bit recently.


'11 R1200RT (I'm back)
'06 R1200RT (crashed)
'02 R1150RT (gone)
'01 K1200RS (gone)
'00 R1200C (gone)
'99 R1100RT (gone)

Science replaces private prejudice with publicly verifiable evidence–Richard Dawkins
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