All posts by Derek Matravers
Below are all of Derek Matravers's postings, with the most recent are at the bottom of the page.jb38:
Thanks JB for your response. I know there are some trees in my line of sight to Wenvoe, but what puzzles me, is the fact that all the other channels from Wenvoe are ok (acceptable). This includes the other low powered channels. If it's a 'line of sight' issue, why are the other channels ok?
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I notice that, from Wenvoe, my aerial orientation should be 'Horizontal max' for the high powered channels, and the lower powered ones are Horizontal -3dB. What is horizontal -3dB?
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Thanks Dave, for the explanation. That has made things clearer.
Seems like the only thing I can do, is to hope that channel 39 is moved to a more 'tree and hill friendly' frequency.
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This is a question mainly for Dave Lindsay.
Hi Dave,from my earlier questions, you will see I have intermittent problems receiving CH39 from the Wenvoe transmitter.
I have read, from another of your posts, that the COM channels are received better using vertical polarisation of the aerial. Do you think this might solve my problem, although Wenvoe, clearly, should be horizontal. My main PSB reception is good.
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Tuesday 2 July 2013 10:26PM
Watchet
I am receiving my signal from the Wenvoe transmitter. I live in the TA23 0RQ area. My reception of programs that use ch39 has all but disappeared. My TV shows signal strength of 5/10, and quality of 0/10.
Channel 39 transmission power is 50,000 watts, so is one of the lower power channels. ch45 is another low power channel, yet I receive this perfectly, strength is 8/10 and quality 9/10. I have a wideband aerial, digital grade coax and high quality connections/connectors. What is happening?