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Black Hill`s channels in relation to the UHF TV band and the gain curves of the aerials
we recommend for it. DM Log Log40 Yagi18E DY14WB XB16E
Note the channels out of the original B group of the transmitter.
(see Channel Allocations Guides)
The graph below illustrates Black Hill`s channels in relation to B group aerials which are
an alternative for those in particularly bad signal areas. A group B aerial will work better
than an E group (or wideband) but will not pickup analogue MUX 6 until after DSO.
Post DSO all channels will be within the compass of our B group aerials.
Also see other relevant E group curves, and Contract aerials inconsistent gain curves.
For Black Hill`s TV frequencies/channels see its Channel Allocation Guides for before
and after the DSO. These also include the same information for other potentially
co-
Ofcom report that the transmitter has minor restrictions in power to the SE and the NW on all six digital MUXES.
DSO is due for March 2011. Unsurprisingly it has been confirmed by Ofcom that Black Hill will be returning to a B group at DSO.
Black Hill is planned to transmit a pre switchover low power HDTV MUX (on CH59 at 10kW)
from Feb 2010. Due to co-
There are two interleaved spectrum channels allocated to Black Hill, CH51 and CH48,
which are both within the previously announced post DSO group.
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For Black Hill we recommend the DM log for strong signal areas, the Log 40 for
medium signal areas, the Yagi18E or the DY14WB for poor signal areas,
and the XB16E for those with the most marginal signals.
The dimensions and test performance of the aerials can be found on the relevant tables.
Those in the poorest reception areas (who need a really high gain aerial) could forsake MUX6 (MUX5 would normally be picked up fine) and go for a XB16B to maximise their reception of everything else ! See Black Hill B Group Graph.
One should bear in mind that Black Hill will return to its original B group at DSO.
If requiring a “high gain aerial” in the loft we recommend the DY14WB over the XB16 because of the former aerial`s smaller size.
Black Hill TV transmitter (Picture MB21)
Spectrum = Interleaved Spectrum Channels
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