OPENING AUCTION BIDS FOR U.S. STATIONS REVEALED BY FCC TODAY
$900 million for WCBS New York (RF 33) ranks at number 1 nationwide.
The window for filing auction applications will run from 12 noon Eastern Time on December 1, 2015 to 6pm Eastern Time on December 18, 2015.
Regarding the Canadian interference factor, see section 2.2.6 in the above link.
Note some (U.S.) markets are completely shut out: they include El Paso, Texas; Las Vegas; Yakima, Wash.; Anchorage, Alaska; Idaho Falls; Missoula, Mont.; Billings, Mont; Grand Junction, Colo.; Butte, Mont.; Bend Ore.; Great Falls, Mont.; Casper, Wyo.; Helena, Mont.; Presque Isle, Maine; Juno, Alaska; and Boise, Idaho.