i have the one that came wit my pionner and it SUXS. i realy get no sig. it realy bad. Witch one is a better one. i have the
an-91xm

 

Where is your antenna installed? Not sure what kind of antenna came with the Pioneer, but at least the one that came with my Roady works find installed on the dashboard.

Also, try www.xmfan.com for some more suggestions.

TS