Quote:
Originally Posted by Steve McDonald
I was checking all my local broadcast stations today, with the signal-analysis feature on my DVR. I was surprised to see that one of them (PBS) was running two channels of 1080i and one of 480i, on its 6 MHz bandwidth. I've never known before, that a station could squeeze-in more than one 1080i channel. Another station was running two 720p channels on its bandwidth. There seems to be no degradation in quality.
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The 6 Mhz bandwidth can squeeze in two HD signals. But the FCC is implementing a long term plan to close half of the TV channels. The long term goal is to have only 23 six Mhz bands for UHF and 12 channels for VHF.
But the station can elect to add up to 6 digital standard definition signals in 3 Mhz.
Most stations are opting for a mix of HD and STD channels. In very few cases are they transmitting two HD channels.
At the other extreme KAXT in San Francisco broadcasts an electronic program guide, shopping channels, and several channels of ethnic news, entertainment, and religious programming all in standard definition.
1.1 WhatsOn: Electronic program guide
1.2 GEB: GEB America (primarily Christian and family programming)
1.3 Vietpho: Việt Phố Tivi (Vietnamese)
1.4 VietBay: VietBay (Vietnamese public broadcasting)
1.5 QHTV: Quê Hương (Vietnamese)
1.6 NetViet: Nét Việt (Vietnamese)
1.7 VIETOP: VieTop (Vietnamese)
1.8 CTV-USA: Creation TV (Cantonese Christian)
1.9 U_Ch: U Channel (Chinese/Taiwanese)
1.10 KAXT-CD: Paid programming (English)
1.11 HaiLeTV: Hải Lê TV (Vietnamese)
1.12 NET V: NetV (Vietnamese/English)
1.13 Audio only: N/A KAXT-R1