All posts by Norman Ansell
Below are all of Norman Ansell's postings, with the most recent are at the bottom of the page.
Iain,
Further to my earlier comments, interference from wireless lans are not caused by the radio link itself, but data and processor noise radiating from the lan and it's associated wiring. The problem is normally very localised.
Another comment I'd like to make is that loft mounted aerials tend to suffer multipath signal problems considerably more than roof mounted ones. Aligning your aerial directly onto SH is therefore not the complete answer, you need to position it for minimum error rate (Picture errors) which can be +/- 15 degrees from the 72 degrees you had calculated. As you're in a reasonable signal strength area for SH, it's worth giving it a try. The ultimate solution is to save you pennies and get the aerial fitted to the chimney on the roof. You could also consider freesat.
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N
2013 - post-switchover changes to Freeview transmission frequenMonday 6 February 2012 10:57AM
Bristol
When the Mendip PSB changeover from C61 to C49 takes place in 2013, my already marginal reception through my group C/D aerial will degrade considerably. I know I'll need an aerial upgrade (and mast head amp possibly). As this will affect many people my area, does anyone know if there's financial help available to meet the cost of this upgrade,
Jovialnorm
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Mike/Brian, Thanks for the info. My problem is local trees and the fact that my location (Thornbury) is located in the vale of Berkeley where the lie of the land drops 80 metres below that to the South (and Mendip). Signals do get through under ideal conditions (cold dry night in winter) but on a summer evening when the trees are wet and in full leaf things get marginal. Maybe it's time to get FreeSat.
Thanks again chaps - N
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Monday 7 February 2011 8:43AM
I've come across a similar problem to this, where one MUX became unwatchable and all the others were OK. It turned out to be local PC/Wireless Lan interference. Try mounting the aerial in different parts of the attic while maintaining the 72 deg. bearing, elements horizontal and aerial parallel to the ground. Also, if you can, try beaming the aerial through a side wall rather than the roof tiles. If this works (as it does for me), it will give you more reliable reception.