The current channels affected at KOLD, KMSB, and KTTU. This is not a blackout, nor does it have anything to do with negotiations, Richard. These outages typically happen when there is an issue with the uplink center that broadcasts the locals to your area.
Local reports indicate the problem was caused by a power issue at the transmitter site used by several channels. The problem was further aggravated by a failed backup generator and the several hours needed to access the remote location by repair crews.