All posts by Malcolm Wood
Below are all of Malcolm Wood's postings, with the most recent are at the bottom of the page.Thanks for the responses.
Dave, your analysis of my situation is spot on. I think Heathfield might be possible from the other end of my road but I am directly overshadowed by high tree covered Downland about 300m North.
I think I would have a direct line of site to Hastings from quite low down on my property, even below the roof line between my house and next door, so maybe trial and error with a group A high gain yagi is the way forward . Fortunately there is a gap in the line of trees in the recreation ground trees directly behind my house. So they may even screen me from Eastbourne whilst still allowing access to Hastings.
Thanks again for your help.
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This sounds very Heath Robertson but..................Do you think it would be feasible to to position the aerial in the loft aimed at Hastings and hide it from the direction of the Eastbourne transmitter using some earthed aluminium foil stuck to the inside of the roof? Would I be sacrificing too much signal through the roof from Hastings?
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I came across this article regarding the use of two aerials spaced apart with the output spliced.
http://www.wrightsaerials….pdf
Apparently a null is produced at 90deg if the spacing is wavelength and varying the spacing changes the angle of the null produced. Could this be the answer? (BN208HA)
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Dave Lindsay
Not yet tried the array. I have been pondering what to do all this time.
I haves decided to site a Log periodic below roof hight in the gap between my house and next door, the houses line up almost exactly with Hastings. Im hoping this will provide sufficient shielding from South Cliff tower especially as this may also bring the line of trees in the park behind my house in to play. If this does not work I will invest in another log to add in an array.
I thought I would go for logs as the reflectors on a pair of vertical Yagis might foul each other and limit accurate spacing of the array. Also less windage.
I probably won't get this done until September and will report the results.
In the mean time I would be very interested in your thoughts.
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Thursday 14 June 2012 3:02PM
Eastbourne
Help
My location is BN20 8HA in Eastbourne. Prior to switch over I had been able to receive a pretty good signal from Hastings for all multiplexes. Since the second stage of switch over I have been unable to receive channels 23, 26 and 30. vastly reducing the number of stations.
I suspect this is due to interference from Eastbourne transmitting the same frequencies with the same polarisation. Both transmitters are line of site but on relative bearings of about 90 degrees.
My aerial is fairly a short (4 Directors in front of the dipole) wideband.
Could a more directional aerial solve this or should I try Heathfield (possibly shielded by terrain) or admit defeat and go over to freesat?