http://transition.fcc.gov/fcc-bin/circ_items.cgi
"Terrestrial Use of the 2473-2495 MHz Band for Low-Power Mobile Broadband Networks; Amendments to Rules for the Ancillary Terrestrial Component of Mobile Satellite Service Systems"
It is related to this satellite company's spectrum
http://www.globalstar.com/en/index.php?cid=6201