here is a XM/ GPS system
https://www.gpscentral.ca/accessories/gxm30.htm
as far as xm/gps/fm that may be a no go. FM antenna must be much bigger in size than xm or gps because of the lower frequencies used.
Hello friends. I've been looking for a sharkfin style antenna that can do XM/GPS/FM. and im having absolutely no luck. It seems that no one makes one that combines both XM and GPS. Are they not compatible or something? If anyone has found one, id really appreciate a nudge in the right direction. I was hoping to have one antenna instead of a bunch all over the place. Ive also heard that sharkfin's tend to get better gps reception. thanks in advance!!
here is a XM/ GPS system
https://www.gpscentral.ca/accessories/gxm30.htm
as far as xm/gps/fm that may be a no go. FM antenna must be much bigger in size than xm or gps because of the lower frequencies used.
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