In the Sacramento area, I've still got numerous channels on 110 transponders having "no signal" as of 1530 PDT. One important example is ch 151 (OLN) on 110 #27. I talked to two tech reps about 1315 PDT, and neither had any info on what had happened or what would happen. Their only suggestion to me was to call back in several hours if still a problem.
I have stepped thru my channels from 3 to 500 and 9000-9999. More than twenty have "no signal". They are all on 110, and are on transponders 03, 23, 25, 27, 29, 31. The system-info display reports a signal for both 110 and 119, and the check-switch test runs OK. The signal-strength meter is "0" for those of my "no signal" channels that I checked. I did all these tests with the DishTV rep on the line per his direction, and just repeated them now. Time to call DISH again.