There was a lot of uncertainty for LPTV stations last year at this time.

An official clearing target for the auction had not yet been set. There was talk of an 84 MHz clearing target with TV channels 38 and above being auctioned to the highest wireless industry bidders. By the time the final auction plan was announced, the clearing target for Stage 1 of the reverse auction had increased to 126 MHz—a target that would have cleared TV off every RF channel above 29.

Read the full article here from TV Technology.