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Retune 21-3-18 (Rowridge) - lost Com 8 (Resolved)

prpr said:
If you're in a weaker signal area then that makes sense, but he's in sight of CP with a loft aerial! A cheap wideband will be perfectly adequate.
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'Line of sight' rather than actual sight. CP is 15 miles away. I can see AP but not CP!

Pointing it in the right direction seems to help.
 
peterworks said:
I purchased this one but unfortunately it could only find upto channel 31 so it is going back. It does state on the enclosed document 'channel 21-60' so perhaps it is faulty.
Will try and find another one...
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It probably just hasn't got the gain to get COM8 which it seems (looking at the coverage checker) is quite low power at present.

Edit: Looking at post #1 again your coverage checker result is quite different to mine - must be some different transmitter antenna directions.
This is mine, for Dibden Purlieu:
RowridgeMarch2018_SO45.PNG
 
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I've now fitted my extra aerial and I'm pleased to say it has worked. I'm getting COM 8 at about 50% with 100% quality, which with the reduced coverage (see #43 above) is better than I expected.
Rather than clog the thread with details, and also A.T.V. have asked to hear how it went, I've built a web page with pictures and the measurements for all the channels - Adding group E to an A to get channels 55 &56
 
Discovered yesterday that we'd lost COM8 again - no signal and a couple of short and very 'disturbed' recordings.

Didn't take too long to find the reason ...

AerialsAfterStorm.jpg


Group E aerial deciding it wanted to be a satellite receiver I think.

This was a couple of days after a big thunderstorm hit the Southampton area - it wasn't especially windy but there was heavy rain which I think has hit the reflector/connection block end hardest. Another trip up the ladder today to fix it.
The nuts holding the U-section to the round cross-arm are those 'hex with wings' ones which I'd done up with my fingers, but I'm clearly not strong enough. They've now been spannered!
 
Following today's changes on Rowridge I have lost Com7 on Humax and all TV's

Fortunately there is nothing that I need on that mux.
 
When I first accessed the Humax this morning (which updated tunefix-update overnight) it showed both Com7 and Com8:
Mux Info 02-05-2018.jpg
Unfortunately after a retune I have lost Com7 and Com8 Humaxs but okay on TV...
 
MymsMan said:
Following today's changes on Rowridge I have lost Com7 on Humax and all TV's.
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Might be worth swapping the aerial flylead for another - I've had pre-made flyleads where a slighly dodgy termination combined with the length has killed a multiplex.

The latest one was only a couple of days back when I changed the flylead used to connect the aerial feed from one HDR to another and it killed Ch55/COM7 on both. Swapped it for one I'd made using proper CT100 coax correctly terminated and back it came.
 
peterworks said:
When I first accessed the Humax this morning...
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How'd you get that full display of mux info?

The display I get here has only one channel/mux with signal and quality >0 and that doesn't tie in with the mux box is currently tuned to, so I presume I'm missing something.
 
If you tune everything together then you get a snapshot of the data for all MUXs.. if you tune just a single MUX by hand then all of the other data gets flushed and you only see data for that one MUX.
 
af123 said:
If you tune everything together then you get a snapshot of the data for all MUXs.. if you tune just a single MUX by hand then all of the other data gets flushed and you only see data for that one MUX.
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Tunefix caches the data and restores if it it's 0. So the answer to this problem is to install tunefix, then do a full auto-retune, then reboot (to populate the cache). Then if the user does a manual retune for whatever reason at some later time, all other muxes. which will have had their figures set to 0 will get corrected on next boot.

Only if you have a HD/HDR Fox-T2 of course (seeing as this is not the CF part of the forum).
 
MymsMan said:
Following today's changes on Rowridge I have lost Com7 on Humax and all TV's
Click to expand...
Have you still got COM8? If you have, then something weird is happening. If not, then your aerial/downlead/rx infrastructure is in need of attention.
 
af123 said:
If you tune everything together then you get a snapshot of the data for all MUXs.. if you tune just a single MUX by hand then all of the other data gets flushed and you only see data for that one MUX.
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Ah, of course. Should have spotted that - I always do a manual tune.
 
Turned on the Humax this evening and a message appeared at the top of the screen saying something to the effect that the broadcaster had changed 'something' and it was going to do 'something' (as you can see I did not have much of a chance to read it...) Anyway I did a manual retune on 55 and 56 and all is back. I have not touched/changed anything - the weather here was atrocious this morning but brightened up this afternoon. Coincidence ?
prpr said:
then your aerial/downlead/rx infrastructure is in need of attention
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Could well be - will check it all again and make sure everything is secure (and thanks everthewatcher for your suggestion).
prpr said:
Why did you retune if you have tunefix-update installed?
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(Bad) habit...
 
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