One other question is is there a firm date when WMFP and WYDN will shut down their current transmitters due to their channel sharing agreements?
WMFP had requested and received FCC approval to keep the current signal on the air until mid-April. That should allow the WBTS / NBCBoston alternate channel 60-5 to remain on until WYCN-CD is moved from Nashua to the Needham WGBX signal as NBCBoston on ch 15-1. WMFP may have other delays involving their move to share with WWDP. Most likely they will move SonLife there, keeping that as must-carry, and dump Comet and Charge!
WYDN could move to WPXG at any time, after which they will have little coverage of the market, but still have must-carry.