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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.


Charlotte : Problems of this sort are usually caused by a defective connection somewhere in the aerial system, if indeed not actually on the aerial itself where the coax is terminated into the junction box.

If the splitter referred to is accessible? try removing the aerial connection into splitter and couple it directly into one of the TV's followed by retuning same, if Freeview has returned then this points to the splitter having failed "if" its of the powered variety, a powered splitter possibly being necessary in your area judging by the result of a terrain check carried out using the post code supplied, this indicating that the signal paths from both the Carmel and Kilvey Hill transmitters are completely blocked at approximately 2 miles prior your location.

Needless to say, that if nothing is received when the aerial is coupled directly into the TV, then this points to the problem being with the actual aerial, or possibly the coax cable to same.

Further advice dependant on feedback.

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J
Mendip (Somerset, England) Full Freeview transmitter
Wednesday 24 September 2014 6:26PM

David Newton: As you specifically mention BBC4 HD on 106, are you meaning that 106 is missing from the EPG listings? or is it the case that 106 is seen but selecting same results in a blank screen.

Are receiving the other HD channels on COM7 OK, e.g: 107-108-109 etc, if not carry out a manual tune on Mux Ch33 / 570Mhz.

By the way, its assumed you are aware that BBC4 HD only operates from 1900 - 0530 hours?

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Matt: Purely out of curiosity, as you have mentioned the dreaded 4G, have those other viewers you are referring to received a "free of charge" 4G filter though the post? this being for the purpose of fitting in-line with their TV or boxes aerial lead.

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David Newton : If the problem is evident on all of your HD devices (if "not" all of the same brand) then this does rather suggest that COM7 / Mux33 is not being received, and although your precise location (post code) is not known, a test carried out using the railway station as a reference point indicates reception of COM7 is possible in that particular area.

Although you have already carried out a manual test on Mux Ch33, I would like you to try it again on more than one device, as on many brands (but not all) if search or scan is "not" pressed after having entered the Mux channel number required, then if any signal is being received, no matter how low it might be, the level of will be seen on the strength / quality bar.

If this still results in zero signal being received then try Mux Ch31, this being Wenvoe's COM7 which you might be able to receive on the reverse side of your aerial "if" anywhere near to the test code used, as Wenvoe has a slighter better line-of-sight using the test code location over that from Mendip.

The only reason for requesting this check being, that in cases where a "genuine" zero signal is received from a particular transmitter, changing the aerial does not usually make any difference to the situation.

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Full technical details of Freeview
Friday 26 September 2014 3:03PM

Melvyn Mills: Although the EPG listing for Quest on (37) was down earlier on, however, it should have returned by now, if though it hasnt, then carry out a "manual" tune on Crystal Palaces COM4 / Mux Ch25 and check if this has rectified the situation, programmes such as ITV3 (10) / QVC (16) also being on COM4.

By the way, although Quest (37) is on COM4, Quest+1 (38) is transmitted on COM6 / Mux Ch28, as used by 4Music (18) / Ideal World (22) etc.

If all said has failed to cure the problem, then carry out a "Manufacturers reset" on your TV prior to retuning same, this also known on some brands of devices as "First time installation" / "Default setting" or some similar sounding name.

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David Newton: The Humax is by far the best device to use for signal checking purposes, but can you confirm that you did select DVB-T2 (and not DVB-T) as the transmission mode when entering the manual scan Mux channel number?

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Ray Ellison: If you receive Freeview from the Waltham transmitter, carry out a signal test on the news channel and make sure that Mux Ch49 is displayed and "not" Mux Ch27 which is Sandy, Waltham offering a more reliable signal than Sandy due to the signal path from the latter being blocked at two separate points along the way.

Further advice dependant on findings.

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Ray Ellison / MikeB : Yes, Belmont is indeed another possibility, and in that case Mux Ch22 would be indicated.

However, the angles of the signals received from the three stations arent really that close, Waltham @ 22miles / 295 degrees - Belmont @ 47 miles / 6 degrees, and with with Sandy @ 37 miles / 172 degrees.

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MikeB: Quite so, as boxes (or TV's) without a manual tuning facility are quite unacceptable for use in the UK due to the sheer number of multiplex channels being used, many of picked up in adjoining areas to that served by the station that supposedly covers the area and causing no end of problems, as the aerial out until a certain percentage of the scan has taken place procedures are totally hit and miss on most devices, as many of do not have operational progress indications.

I would never recommend Goodmans to anyone, as the reliability of the device is entirely dependant on the chassis that happens to have been used in a particular model, this sometimes difficult to determine without removing the top cover and inspecting the PCB, as even the Vestel range fitted in Hitachi PVR's use three different variations of the same chassis.

As far as Belmont is concerned, yes! it does belt into certain areas, and indeed although being approximately 14 degrees out from being a reverse pick up on an aerial facing towards Sandy, it is indeed capable of being received if the signal is at a high enough level due to factors such as reflections etc.

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J
Full technical details of Freeview
Saturday 27 September 2014 6:58PM

Jon Burns: This is obviously being caused by a glitch in the programme, and which Briantist the owner / operator of the site will no doubt pick up on.

However, if you click on "J's DigitalUK tradeview", seen in the blue box at the side of your posting, this will show the transmitters that cover your area, both of unfortunately being Freeview light PSB only transmitters, Oakeley Mynd being the most likely of the two.

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