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All posts by jb38

Below are all of jb38's postings, with the most recent are at the bottom of the page.


Richard Goodson: As the Glen Urquhart transmitters span Ch's 41-47 its not quite so likely that 4G would cause problems, as 4G is more of a danger to channels in the mid 50's upwards, that said as the transmitter referred is only 18 watts at the most on its Vertical polarity signal then anyone receiving it at the extremities of its coverage range could be affected by the swamping effect caused by 4G transmitters "if" one is located within 70 yards or so from the persons residence.

Considering 4G filters are relatively low cost devices then it could be beneficial to purchase one should a person be in the aforementioned location.

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Neil: Well reception via Freesat is the way to go for anyone who might reside in a poor signal area, although in your case I think that is more one of a "where to locate the aerial" problem, but purely out of interest where did you install the aerial?

The second point being, is the YouView box referred to one of TalkTalk's Huawei branded types? as these Huawei brand boxes cannot record the Drama channel due to a unresolved as yet software bug.

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Neil: Just a small additional point, keep in mind that the dish has be mounted in a position where it can have an unobstructed view of an E/SE Skyline, or face approximately 152 degrees.

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Anita: Yes, its rather ironical that by tuning to Bluebell Hill's 20Kw transmitter (C39) on you manage to obtain a good picture and yet the signal path from that station is indicated as being obstructed from 2.5 / 3 miles (although could be affected from 9 / see below), whereas reception from Crystal Palace (on 200Kw) and indicated with a clear line-of-sight is problematic, albeit of course that these indications are only with reference to the ground level and "not" anything on it, this including the dreaded trees!

However as far as your daughters TV is concerned, when you say "reverting back to C22" are you meaning because of it automatically updating channels? because if you do then go into the menu and under "Auto-Retune" select "Always Ask" then when it does at any time just cancel it.

If however you are not meaning the aforementioned then reset the box by reverting to using the "first time installation" procedure prior to manually tuning in the mux channels required.




Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location


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Vera: You are indicated as being able to receive PSB channels from both Crystal Palace and also Alexandra Palace, although if you normally receive ITV3 etc then you will most likely be using Crystal Palace.

These channels should return automatically by carrying out a second auto-tune, have you tried this? but though when you say "other channels" if you are referring to BBC or ITV channels then you can manually tune in the mux transmitters used by these programmes by entering your TV's set up menu and selecting manual tune / DTV, this then followed by entering and scanning each of these three muxes in turn starting with Ch23 (BBC), storing the results, mux Ch26 (ITV1) being next, then finally the HD service (if used) Ch30.

If by any chance these are not received then use the following three muxes used by Alexandra Palace : Ch49 / Ch58 / Ch54.

Further advice dependant on results, although you should really persevere with the auto-tune procedure as it should not really be necessary to have to resort to manual tuning, however if as it would appear that you "might" be connected to a communal aerial system it would be advisable to check with others to determine if they are also having problems similar to yourself.



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J
Diagnostics - old version
Saturday 27 July 2013 1:26PM

Len: Although your TV might not have "manual tuning" as such displayed in the set up menu are you sure that it doesnt have what Philips refers to as an "install digital channels" option? as late versions of Philips non 3D capable sets have this facility which is a form of manual tuning, being unaware of the TV's model number I am unable to check this for myself.

It would also assist if a post code or one from nearby e.g: a shop/post office is provided, this to enable your reception possibilities to be checked.

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g sarjantson: Yes, but you will have to go into the set up menu and select "single input operation" to combine the two tuners.

However, single input operation limits your recording possibilities to only being able to record programmes that are transmitted on the same polarity to that you might happen to be viewing and which could be on either vertical or horizontal polarity, because if you try to record a programme that happens to be on the opposite polarity a "not possible" or similar warning will appear.

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Anita: That will explain why you managed to obtain a good picture when tuned to that station even although its commercial channels are being indicated as being variable as far as reliability of reception is concerned.

But though you should try a test over a week or so with your equipment manually tuned to the Bluebell Hill transmitter and see how it goes, albeit I would be surprised if you did not experience any spells of picture glitching etc due to the fact of the signal from Bluebell Hill being received via diffraction, this being signal bending.

Bluebell Hills mux channels being /

46 (BBC) - 43 (ITV1) - 40 (HD) - 45 (ITV3 etc) - 39 (Pick TV etc) - 54 (Film 4 etc)

Remember to switch off auto-channel update on the various devices you use or you will land up with some channels from Crystal Palace being stored again.

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Anita: Yes! as the manually tuning in of a stations multiplexes is a procedure that's essential to master in areas such as your own where reception is possible from more than one station, as its the only positive way of being able to store what's actually required rather than a programme guide loaded with duplicate channels from stations that offer "iffy" levels of reception.

The problem though with manual being that there are a number of devices in circulation that do not offer this manual facility, the designers of these devices being rather blind as to the circumstances that their boxes are liable to be used in, whereas on the other hand there are owners of boxes that do offer an excellent manual tuning facility but they themselves have great difficulty in mastering it, yourself in my opinion, based on that said in your replies, "not" coming into this category.

I realise that MikeP has answered your query with regards to a post code being required, but though I personally do not necessarily approve of a post code system for Freeview boxes as this can cause problems for many people that reside on the doorstep of another region and prefer to view the news etc from that region, myself having a preference for the more usual "choice of area" box that pops up after having completed an auto-tune (not on all boxes though!) by the fact of "area choice" being up to a point self explanatory for viewers of a less able disposition.

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J
Full technical details of Freeview
Saturday 27 July 2013 8:30PM

susan smith: As your reception would appear to be via a communal aerial system then its advisable to check with a neighbour to find out if they are also experiencing similar difficulties, because at just under 4 miles away from the Winter Hill transmitter its nearly impossible not to receive the BBC channels unless something is amiss with the communal aerial distribution system.

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