I have further diagnosed the issue with the RCA Mod DTA800B converter box. The box contains a channel list, which is cleared and reloaded into an internal memory during the rescan operation. The rescan hangs up at the same location every time. I have found I can get the rescan to continue the search by removing the antenna signal and very quickly reattaching it. Channels are lost during the scan while the antenna is off so it must be reattached immediately. In my case, in the Minneapolis area, tptlife(2-3) and tptwx(2-4) are always lost. I have been able to retain the rest of the 25 channels available. I now believe there is a firmware issue in the converter box that causes it to mishandle on of those situations that are "never supposed to happen" but still do. There is also a likely issue with channel 2 Tpt in Minneapolis causing the problem in the first place. My early scans, done shortly after the switch to digital, worked fine and I still have channels 2-3 and 2-4 available on those converters.
Overscanned
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