I think I read once that they are CONUS off the 101 making them available nationwide. Downside is that you would need an LA or NY address and may have to pay their taxes.
If you know the stations you can look them here:
http://www.dbstalk.com/attachment.ph...6&d=1334807071
If the bird is followed by a "c" it is nationwide, CONUS. An "s" means it is a spotbeam.
Hopefully some one from NY or LA will pop up and tell us.
Edit: Looking at the sheet it appears the HD channels are on the 99c and the SD on the 101. They have duplicate listings in the 1-99 range and the 390 - 399 range.
Looks to be true but I still don't know.