Tech
Channel 4 starts HD test transmissions
Published Tuesday, Nov 13 2007, 09:31 GMT | By James Welsh

Currently alternating between a black screen and a holding page, the channel may be found at 12.188H at a symbol rate of 27.5 with FEC 2/3.
In September, Channel 4 announced that it plans to launch Channel 4 HD on channel 140 in December. It will offer a high definition simulcast of its main service on satellite.
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