Changes to BBC HD channels on satellite on 6th June

Changes are happening to the BBC HD channels on Astra 2D.

Sky HD users should not have any problems, as the Sky HD boxes will automatically update.

Some Freesat users may have to reset their Freesat HD boxes, or perform a Freesat scan.

Users of other "generic" HD receivers, will have to rescan the BBC HD frequency, ensuring their receivers work with the new DVBS2 transmision standard.

One of the BBC's principles is to ensure that we use the spectrum we have available to us in the most efficient way possible. This means that from time to time, as technology develops, we make changes to the way our services are broadcast to ensure we are making best use of this scarce resource.

We will shortly be making such a change to the satellite transponder that carries BBC One HD & BBC HD. The signal on this transponder is currently broadcast using a modulation scheme called "DVB-S". On 6 June we will be upgrading to a newer "DVB-S2" scheme. This is a more efficient way of operating the transponder and it creates more capacity from the same amount of spectrum. More spectral bang for our buck, if you like.

The change will mean different things to different people:

If you watch TV using Freeview or Virgin Media or can't currently view HD channels you will not be affected.

If you have Sky, you will not notice the change and won't have to do anything on or after 6 June.

If you have Freesat you may need to put your HD box or TV into standby for 30 seconds and then restart to continue to receive the two BBC HD channels. If the channels are still unavailable then carry out a 'freesat channel retune' or a 'first time installation'. Full instructions can be found in the manual for your box or TV. Further help with retuning can be found at www.freesat.co.uk.

If you have any other kind of satellite receiver, you will need to check that it is capable of receiving a DVB-S2 signal. If it can, then you can use the following parameters to tune manually into the services carried:

Satellite: Astra 2D tp.50
Frequency: 10,847MHz (vertical polarity)
Modulation: DVB-S2, QPSK
Symbol Rate: 23.0
FEC: 8/9

Source: bbc.co.uk/blogs









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