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On-air
DPTV Digital
From the FCC
Other
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Digital Television Fact Sheet
- Detroit Public Television officially went on the air with its digital
signal Monday, Oct. 24, 2000 - the 23rd PBS member station to go digital.
- Detroit Public Television is transmitting a digital signal on Channel
43 (644 - 650 MHz - virtual channels 56.1, 56.2, 56.3) as assigned by the FCC.
- Our transmitter is located at the CBS O&O facility at 20931 Meyers
Road in Oak Park, just north of 8 Mile Road. The coordinates are: 42-26-52
North and 83-10-23 West.
- Our DTV antenna is manufactured by Dielectric Communications and mounted
on top of the new CBS tower, 308 m (1,010 feet) above ground. It is
a custom horizontally polarized, vertically stacked antenna for Detroit
Public Television WTVS-DT and WWJ-DT. The complete stack is 67.5 feet
high and weighs 9,000 lbs. The antenna was installed on June 4, 1999.
- Our transmitter is manufactured by ADC Telecommunications (now Axcera).
Our average ERP (Effective Radiated Power at the antenna) is 200,000
watts. The coverage area is similar to that of our NTSC channel.
- The DTV signal is transmitted as an 8-VSB modulated signal, providing
a data stream at a constant 19.39 Mb/s. Currently Detroit Public Television
transmits one HDTV channel and two SDTV channels.
- A DTV television receiver is required to receive Detroit Public Television's
digital signal.
- DTV allows up to six channels of sound to be transmitted. Some programs
will offer this type of audio, with the majority of programs in stereo
or surround sound as they are transmitted now in NTSC.
- An outdoor antenna is recommended, but new generation hardware is
expected to improve indoor reception.
- Most cable systems carry the HD channel, and may be able to carry
the entire DTV signal in the future.
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Troubleshooting Guide for Digital-to-Analog Converter Boxes and Digital TVs