The following diagrams are based on the FCC filings for Nimiq 5 (Launched Sept 17th, 2009 - Active Oct 15th, 2009).
Nimiq 5 is a ConUS satellite providing full US coverage on up to 32 transponders.
(Some transponders at 72.7 are still in use by DirecTV from their own satellite.)
Conus coverage of Nimiq 5 at 72.7°