Mon 8/01: DT9 Over the Air PSIP outage (apx 8:30am-2:30pm)

August 1, 2016 · Filed Under KQED · Comments Off on Mon 8/01: DT9 Over the Air PSIP outage (apx 8:30am-2:30pm) 

RESOLVED: PSIP was restored at apx 2:30pm Monday. Our signal should be ID’g as 9-1, 9-2 & 9-3 again.
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(DT9-1, 9-2 & 9-3)

BACKGROUND: the PSIP information line in our Over the Air signal stopped again this morning. So while we were still transmitting programming on our three channels, they were showing up as 30-1, 30-2, 30-3, rather than 9-1, 9-2, 9-3, until the signal was repaired again. Viewers can determine if this is a station issue by punching in channel “30”, and seeing if they find us there. However, the onscreen guide info will not be available until PSIP is restored, and the channel reverts to identifying itself as “9”.

Additional info for the curious: since the digital conversion several years ago, very few stations actually transmit on the old frequency that the channel number identified. The FCC didn’t want viewers to have to learn new numbers for all their local TV stations, so even tho TV stations now transmit on different frequencies from their analog days, a “Virtual ID” is sent as part of the PSIP info, which tricks your TV into labeling the new frequency with the old number. So, with our virtual ID currently not working, our signal is currently labeled with our Real Frequency (RF) number, which is 30.

And what does “PSIP” stand for? Program and System Information Protocol (the data line that includes the program guide info and the virtual ID for changing “30” into “9” as our channel number).

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