It's possible to have tropospheric inversion layers where the signals are refracted excessively downward or upward. If you live on a mountain top, it's also possible to be above an inversion layer and effectively cutoff from signals. Ron Manfredi, Albert E wrote: >Two strange things I noticed last night, late (past prime time). > >1. Looks like Baltimore Fox 45.2 is (or was) transmitting the same >program as Baltimore WB 54.1? What gives? > >2. Also, some of the Baltimore stations (ABC 2, NBC 11) and the >Annapolis PBS station dropped off the chart completely. Like, a signal >strength close to 0. They slowly recovered in an hour or so, and seemed >back to normal this AM. > >Weird stuff. > >Bert > > ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.