All posts by jb38
Below are all of jb38's postings, with the most recent are at the bottom of the page.
Billy: The programme STV-Glasgow is only broadcast from the Blackhill transmitter on Mux C51, this being Glasgow's "local" Multiplex, likewise the signal from same beamed towards the Glasgow area.
Although your preferred reception is from Darvel, the situation would not really be that much different if your aerial was pointing towards Blackhill, as the Southern extremity of the beamed signal only reaches about halfway between Torrance House and Chapelton on the A726 from Strathaven.
You can see this for yourself by opening the undermentioned link, clicking on LGH in the selection box on the left hand side of the screen.
Which Freeview channels does the Black Hill transmitter broadcast?
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Sparky: The signal bars on all satellite receivers (Sky / Freesat etc) are always live, and so what you have suggested should work perfectly OK, at least, provided that all adjustments are carried out in "slow motion", as you are dealing with adjustments of a magnitude barely visible to the human eye.
I will say though that success is usually achieved far quicker by using one of those "cheap" satellite finders of the audible tone variety, the device being positioned in-line with the LNB and the coax coming from same, a rising tone being emitted from the device if approaching a satellite whilst adjusting the dish, the tone usually being heard shortly before any movement is seen on the signal bars.
Although it has to be appreciated that simple devices of this sort can be misleading to the inexperienced, as the tone will also be triggered by satellites other than Sky's at 28.2 degrees, such as from the European one positioned at 19.2 degrees, though the Sky box will only "lock on" to the one required for the reception of Sky.
Needless to say, another way of quickly achieving success without the aforementioned, is simply by positioning a TV at an angle that enables its screen to viewed whilst you are making the adjustments to the dish.
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Simon Roberton: As no faults are listed against the Rowridge transmitter nor is any engineering work taking place at the station, check the connectors at each end of any jumper leads used to couple the aerial into the TV, as these can slacken off in their sockets through time.
If though all appears to be OK, your best policy would be to ascertain if the problem referred to is being experienced by anyone else in the area, as if not, then that could possibly be an indication of an oxidised / corroded joint where the coax is terminated in the aerial junction box.
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Mark : On the assumption that your box is "not" a 9100, as this model would appear to be one of Humax's older satellite devices, however, are you sure that the model you do have is capable of receiving HD transmissions? as PSB3 is an HD multiplex, likewise any attempt to tune in same on non HD models will result in no signal being received.
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Sparky: You should concentrate on the horizontal plane, as reception problems only experienced during windy weather are usually always related to horizontal (left / right) movement of the dish.
However, that said is based on the dish "not" being firmly mounted, i.e: screws holding same not tightened properly, if though they are? then unscrew the "F" connector from the LNB, further unscrewing said connector from the coax to enable it (plus coax) to be checked internally for any signs of water, as droplets of water can cause the problems referred to.
If all appears OK reassemble it, making sure that all individual strands of the braiding are pulled back over the outer cover of the coax, this being to avoid the possibility of them becoming wrapped around the inner core of the coax whilst screwing the "F" connector back on again.
By the way, these cheap satellite signal detectors can be obtained from numerous e-bay sources for around £5.00+ or so, the types with an analogue pointer meter and a dB adjuster being ideal for the purpose intended. But though as previously touched on, adjustments to the dish made in slow motion is the key to success.
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T.Smith-Rose: Re: your update on the problem, I suspected that this might be the case. However, the point about all this is being, that if the residents of the (or any) apartment block are indeed connected into a communal aerial system, then the responsibility for rectifying any defects that may occur on same rests "entirely" with the landlord / letting agents, or whoever is responsible for maintenance of the facilities provided in the property, likewise no-one should have to pay anything to have the problem rectified.
However, as Winter Hill is still indicating a "possible weak signal", then it really "is" a case of "wait and see", although I will be keeping my eye on the situation.
Still puzzled about the aerials (previously referred to) facing at slightly different angles to each other, (unless corrected by now) as that's most unusual!
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MikeB: Re: DUK's reception prediction site, purely for information purposes, I am also experiencing problems with this site.
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Chris : If by any chance your loft mounted aerial is being used in conjunction with any form of booster / distribution amplifier, then try bypassing it, as the "only" Rowridge channels which "might" possibly be affected under freak reception conditions are COM4 Mux 25 / COM5 Mux22 / COM6 Mux28, and no others, as Crystal Palace's Mux 23 or 26 will have no effect whatsoever on Rowridges Mux 24 or 27, that is, "if" that's what is suspected?
However, should a booster not come into the equation, then have a check at any jumper leads used to couple your TV into the aerial.
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R Cross: I would say that the problem being experienced with reception from the Sandy Heath transmitter is more inclined to be caused by atmospheric related problems rather than anything connected with the source of transmission, as Tropospheric ducting maps (ack: William Hepburn) indicates that a wave of high pressure has been (and presently is) sweeping from left to right across the mid to lower half of the UK, the forecast being that same will not completely clear the UK until late Tuesday / Wednesday morning.
Needless to say, adverse atmospheric conditions being the most likely reason for numerous complaints having been made over the last few days from viewers experienced problems with reception, even although located in a variety of areas covered by different transmitters.
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Tuesday 27 October 2015 7:36PM
Amanda Peterken: The answer is unfortunately no, as this programme is broadcast on what's known as a "Local Multiplex", neither of the two stations that cover your area, namely Redruth & Caradon Hill, having a local multiplex.