All posts by Dave Lindsay
Below are all of Dave Lindsay's postings, with the most recent are at the bottom of the page.
m.e.thomas: I would suggest that you may be within the area of the 800MHz 4G test:
at800 South East London 4G tests
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Steveeboy: The reason why Nottingham is required is probably because there are areas where Waltham isn't. This is likely to be due to the terrain, which blocks reception from Waltham.
As with any transmitter, there are places of overlap. Study the coverage maps on this site for the two transmitters. You will probably find that the gaps correspond to drops in the terrain.
The main, high power transmitters are horizontally polarised, except for Rowridge which, since switchover, uses mixed polarisation. The majority of relays are vertically polarised.
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Harry Gallagher: Freeview is the name of the terrestrial system in the UK. This means that it is broadcast from transmitters on the ground, and for this reason a satellite dish cannot be used for it.
However, there are free-to-air services available via satellite (i.e. non-subscription). As KMJ,Derby says, you can get some free-to-air services with your Sky box and no subscription card.
Other possibilities are "Freesat from Sky" and "Freesat".
"Freesat from Sky" information is here:
FREESAT from Sky - Call now to order
Be aware of the dagger footnote(!): "For security reasons Viewing Cards may be inactivated from time to time. In this situation, if you wish to continue to receive all the encrypted Free to View channels, you will have to purchase a new viewing card at our then applicable standard charge."
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Steveeboy: There are two properties that are important in a TV aerial: directivity and polarisation.
The DM Log aerial (Blake DML26WB) is good for touring:
TV Aerials for Boats and Caravans
It is wideband, and so is suitable for reception from any transmitter.
Those who have their aerials horizontal when signals are vertically polarised have not got them set for best reception.
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george clarke: If he is using a communal aerial system then it might require adjustment to allow the new channels for COM6 (Film4, Yesterday etc) and PSB3 (HD services). This is because they use channels which haven't been used before and communal aerial systems are sometimes fitted with filters that only allow through the channels in use by the designated transmitter.
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george clarke: With the Freeview system, Yesterday is logical channel number (LCN) 19; Film4 is LCN15.
However, as he does not have anything on LCN15, I suspect that he won't have Yesterday on LCN19.
Try a manual tune on UHF channel 39, if the TV has a manual tune function.
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Sue Medlicott: Because the Commercial licensees do not have an obligation to provide a Public Service, unlike the BBC, ITV, Channel 4 and Channel 5.
See here for an explanation:
Londonderry (Northern Ireland) digital TV transmitter | ukfree.tv - 10 years of independent, free digital TV advice
Unfortunately the fact that you live at the bottom of a drop would appear to rule out direct reception from Mendip which would give you all the channels. The vegetation on the top of the hill may also make your pretty much non-existant chances even slimmer.
There would appear to be no other full-service transmitters that you may have a shot with. You can, of course, always consult with an installer who knows the area, but it doesn't look promising at all.
Probably your best bet is to look at installing Freesat.
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Duke: It would appear that you are receiving from Rowridge which does not have any reported issues and no one else has posted about having any issues.
If you are using an aerial system which has an amplifier (powered booster) then the amplifier may have failed or its power supply cut. This may apply to a communal aerial system.
In such circumstances you should generally avoid retuning. You can't retune the TV until the signal comes back and you won't know the signal has come back until you have successfully retuned. Had you not retuned then the set would be tuned and you would simply turn on your set. Retuning in such circumstances is akin to shooting oneself in the foot.
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Tuesday 7 May 2013 2:32PM
Jackie Jones: If the set has a manual tuning facility then try it. From Winter Hill BBC standard definition services are now on UHF channel 50.
Do you also have Pick TV on the upstairs TV, which also changed channel and is now on C49? Do you have Pick TV on the downstairs TV?