Please follow http://www.ntia.doc.gov/files/ntia/publications/ntia_letter_to_fcc_chair_re_1695_and_1755_auction_20130419.pdf.

Please follow http://www.ntia.doc.gov/files/ntia/publications/ntia_letter_to_fcc_chair_re_1695_and_1755_auction_20130419.pdf.