FCC FM Auction 37 rolls on, and Boston’s WGBH has the high bid of nearly $4 million on a channel in Brewster, Mass. Most other pubcasters have been knocked out of the bidding. Meanwhile, at least two pubcasters — WKGC in Panama City, Fla., and Unalaska Community Broadcasting in Unalaska, Alaska — are likely to get AM stations in FCC AM Auction 84. Forms are due Jan. 18.