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All posts by Tony May

Below are all of Tony May's postings, with the most recent are at the bottom of the page.

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Bluebell Hill (Medway, England) Full Freeview transmitter
Tuesday 4 June 2013 6:22PM
Sittingbourne

ME10 1DB, using Bluebell hill
Do you have any idea why our HD signal on C40 keeps going to "No Signal" on the TV screen on all the HD channels, All the SD channels are OK. We have a Panasonic DMR PWT420 recorder & within its set up you can see the signal strength & the signal quality levels moving around quite a bit & they will fall away completely for a second or so then recover. Our aerial man is a bit baffled. Our aerial is a wide band high gain & about 20 years old, it is already fitted with an amp.
Why is it only affecting the HD. Annoying, before the switchover last year it was OK. The aerial man has tried various filters & attenuaters

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Bluebell Hill (Medway, England) Full Freeview transmitter
Wednesday 5 June 2013 5:02PM
Sittingbourne

Dave Lindsey
I did wonder about the line of sight problem, I can't view the terrain plot as i'm using IE8 on XP,
Aerial man is returning on Friday with an E group aerial & I will tell him to put it up on the chimney using the existing pole

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Bluebell Hill (Medway, England) Full Freeview transmitter
Wednesday 5 June 2013 7:24PM
Sittingbourne

Dave Lindsey
I clicked through to the megalith pages & fiddled about with my location to get it closer to the home. I still had two hills in the way but pushed the aerial up to 15 metres & it just clipped one up by the M2. So I'm out with the measuring tape tomorrow to get an idea of the height of the chimney, plus pole. I will tell the young aerial chap of the findings.
Thanks

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Bluebell Hill (Medway, England) Full Freeview transmitter
Tuesday 11 June 2013 4:11PM
Sittingbourne

Dave Lindsay
My existing aerial & 3 metre pole have been refixed to the chimney gaining about 5 metres in height from its previous position. Since then we have not experienced any temporary loss of signal on the HD channels. The aerial man then said that we had 75db of signal with our existing masthead amp, he tried again but without the amp but the db's were too low. The chap said that the existing signal could be too high under certain conditions, so we now have a variable amp mounted in the loft set to give us 60+/-db. 3 TVs are off this one aerial, the bedroom & kitchen tvs are on one cable via a splitter instead of a small booster, this booster was not necessary with the good signal now from the repositioned aerial.
So, height matters in our post code.
Thanks for the advice

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ME10 using Bluebell Hill transmitter.
Who is responsible for sending out the start/stop signals for recorders?
Recently the BBC4HD channel changed to a different multiplex, after re-tuning the box it would not get the recording start signal. Now I just select the standard non HD broadcast if I want to record anything on BBC4.
This coming week 2 programs, Mcmafia & Hardsun are not being recognised by the HDD recorder, as they are the final shows in the series I will have to select them again in non HD format. All commercial HD channels are OK, it seems to me that someone is altering things in the ether that buggers up the program list & they are not sending out the required signals for recorders to pick up when to start/stop. In fact my Panasonic HDD says "NO Data" for Mcmafia & Hardsun, all the rest of the series went OK.
I am suspicious that the BBC are making room for the Olympics. They have form on this as for the last summer Olympics I had to re-tune twice to get the program list to be reliable.

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To js,
I record Mcmafia & Hardsun from the BBC One HD channel multiplex not the standard output. As the loss of the data from the program guide failed, I have now cancelled the original request & re-selected those 2 programs & they have been recognised by the recorder. As for BBC4HD, that went awry when the channel was moved to a different multiplex, all part of clearing the 700MHz band from Bluebell Hill. I've re-scanned a couple of times since then & all is OK now, so the box is fine.
MikeP,
If the program is delayed for some reason, The recorder won't start until the the program finally starts, so there must be some signal put out to start these devices. If I set it to start & stop at a certain time, it will just follow those instructions.
All just minor niggles.
Bert

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MikeB,
It definitely looks at Bluebell hill. I do manual re-scanning when required, there is also a box in the loft that blocks Crystal Palace to some extent.
The signals to start stop recording are sent out by the broadcaster are called crids, content reference identifiers, so I have learned today.
Anyway, the Panasonic sorted itself out when the program guide updated itself in the morning.
Thanks for your replies
Bert

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Does anyone exactly know what is being changed at Bluebell Hill this coming week, on the 19th?
The message comes up every time we turn the TV's on, a "Retune is required", all quite ominous in tone.

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After I posted I found a pdf file on digitaluk listing the changes. same info as the js link.
Annoyingly, both digitaluk & freeview .co.uk both list my postcode as receiving signals from Dover, plainly wrong & ridiculous.

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After a full manual re-tune of all devices this morning at 10 all channels looked OK.
BUT, the signal to start Panasonic recorder at 11am did not or was not broadcast on BBC 101 HD, tried again at 12:15, still no joy. Come on Freeview wake up & restore all your signals.

I will try again on non HD channels this PM

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