I put XM on my class C. I put the antenna on the dash; no dice. The loft interfered with the reception terribly. I then out it way out in the fender as far as it would go and it was much better, but still spotty in some directions. Where do you guys put it. Obviously the roof would be the best place, but it looks like a pain to wire. Ideas?

Mine is hooked to one of the metal supports in my Fantastic Fan vent. That way the antenna is out of the rain and windstream but on a pretty hit point. You probably could also run it through the hole for raising the TV antenna and place on an antenna bar. Problem is the wire is dangling in the front cab because our XM is a portable unit that we use outside and in other cars. Problem is the C Body has no metal for the magnet to hook onto.You will still have trouble if you travel through a forest area with trees on both sides. Also going north near Canada is a loser due to the satellites being tuned for mid and southern portions of the US.

Hmmm, I am presently at our campsite, KOA outside Quebec listening to Prime Country XM, campfire roaring and IC Light in my hand. XM does work well even at 45 degrees north latitude.By the way, I highly recommend this campground. One of the best KOA's I've been to.

I put my antenna on the roof and wired through one of the pre-existing holes in the roof, hid the wire behind trim around the door and onto the dash where the radio is located. I put a 8" X 8" metal plate on the roof with silicone an the antenna is magnetic so it attached easily. I get good reception an all directions. The antenna is on the top of the satellite cover. As for reception, I got very good XM reception in the Yukon 3 years ago, other than when driving on the north side of a mountain. The satellites are a long way up, so getting reception in the north is not a problem.

Fiberglass is tranparent to satellite radio. In my class A I put it behind the speakers above the driver's seat (the front cap was fiberglass) and never had a problem with reception. Putting it under a plastic roof vent should work.

XM antenna; where to mount? | Good Sam Community

13 Replies

Coalminer_UG
Explorer
Aug 04, 2013
Mines on the roof.
vjstangelo
Explorer
Aug 04, 2013
Hmmm, I am presently at our campsite, KOA outside Quebec listening to Prime Country XM, campfire roaring and IC Light in my hand. XM does work well even at 45 degrees north latitude.

By the way, I highly recommend this campground. One of the best KOA's I've been to.
jim1632
Explorer
Aug 04, 2013
Mine is hooked to one of the metal supports in my Fantastic Fan vent. That way the antenna is out of the rain and windstream but on a pretty hit point. You probably could also run it through the hole for raising the TV antenna and place on an antenna bar. Problem is the wire is dangling in the front cab because our XM is a portable unit that we use outside and in other cars.

Problem is the C Body has no metal for the magnet to hook onto.

You will still have trouble if you travel through a forest area with trees on both sides. Also going north near Canada is a loser due to the satellites being tuned for mid and southern portions of the US.

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XM antenna; where to mount?

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