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Old 12-27-2010, 08:08 AM   #1
pony
 
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Drives: 2011 2SS Convert; Color RJT
Join Date: Sep 2009
Location: Nebraska
Posts: 722
XM / Onstar antenna; How does it work?

Need some help from the electronic guys here, or persons that have knowledge of the electronic workings of the XM/Onstar antenna. Planning some customizations on an upcoming Camaro and need to know the following;

1. Is it absolutly necessary for the shark fin antenna to be located outside the vehicle? (If placed say, in the trunk, will it still be able to recieve, but maybe just not as well; Cell phones work inside our cars)

OR, if the outer housing is removed and the internal electronics are housed in another plastic/fiberglass housing will it work?

2. Does Onstar work on GPS (that require direct line of site) or is it purely a cell phone antenna, and is that why it can be covered with the plastic sharkfin?

3. Are the antennas for the 2010 and 2011 model the same as far as the external antenna goes?

4. Will other models of onstar or xm radio antenna work? Could they be separated out? (e.g. take the XM portion of the antenna out of the sharkfin and replace with a separate xm antenna elsewhere)

These questions may seem strange, but trying to get some additional information before a relocation attempt is made. Any information, with as little speculation as possible, will be appreciated. Hopefully this will not be considered the wrong forum, as there have been many complaints about the location of this antenna in this forum and my investigation may benifit us all in the near future. Thanks.
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