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All posts by Adam Jackson

Below are all of Adam Jackson's postings, with the most recent are at the bottom of the page.

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Mount Leinster Saorview transmitter
Friday 8 March 2019 10:36PM

I am on the west coast of Wales in a village called St Nicholas about 1 mile from the coast, 3 miles west of Fishguard. We have a loft aerial pointed to Mt Leinster sat above another pointed to the local Freeview transmitter - Trefin. The 2 aerial feeds are combined user a splitter in reverse sending the signals down one cable. I could put the aerials on the roof to get an even better reception but even after the 3.5db loss on the combiner still get around 70% signal/100% quality on ch23 and 60% signal/100% quality on ch26. Relatively new set up, had some high winds and rain with no problems. Will see what happens when we get any atmospheric interference.

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Mount Leinster Saorview transmitter
Saturday 6 April 2019 4:52PM

Going from extremely low to complete loss of signal on the Irish channels today, both muxes are near impossible to watch. From a very good signal to almost nothing, I assumed it was a set up problem. Checked all cables and connections, everything seems fine. Pointed both aerials to Mt Leinster and both are having issues so hoping some sort of atmospheric problem that will fix itself on its own.

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PSB2 is now on Ch34 not 46 as stated here.

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Mount Leinster Saorview transmitter
Sunday 20 September 2020 7:10PM

18 months later and the loft aerial seems adequate for my location. Get the odd time when the signal quality drops below a watchable level even through the signal strength is within my 'normal' range. This results in both mixes becoming unwatchable, but this is only for an hour or 2 now and again or at worse, for an evening. 90% of the time, it's a stable 60-70% signal strength with 100% signal quality.

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I've been having problems with one mux for about a week now, all others are fine. Going from usual signal levels to extremely low signal strength/quality to nothing at all. Aerial and cabling seems to be fine so unsure what's happening. The mux in question is PSB2 CH22.

The other muxes PSB1 CH25, PSB3 CH28 Freeview and SV1 CH23 and SV2 CH26 Saorview all unaffected.

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Mount Leinster Saorview transmitter
Sunday 23 July 2023 4:30PM

Chris.SE

Sorry for the late response. Only 3 years! Yes, you were correct. I have come to the realisation that this type of interference is semi common for my situation during hot, summer days and to my understanding there is not a lot that can be done to prevent it. I could get a slightly higher signal by installing the aerial outside but I feel that during these types of interference, the aerial being outside wouldn't solve the issue.

I'm currently using your run of the mill single boom high gain aerial. Is there a certain kind of aerial best suited to my situation. I have thought maybe a tri-boom aerial. As previously stated, the problem only occurs sporadically during hot summer days but would be nice to eliminate/minimise it if possible.

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Mount Leinster Saorview transmitter
Monday 31 July 2023 9:31PM

Thanks Steve and Chris for your comments. All very good information there for me to digest. I had seen that Carmel was boadcasting the same frequency as mount Leinster but considering I had been unable to tune into it in the past. I hadn't even considered it being an issue. I had tried tuning into it as I've never been able to pick up preseli here and tried seeing if I could get full Freeview from Carmel instead. There is a house about 400 metres from me that looks to be pointed at preseli but I have never had any luck.

I have bought a labgear masthead amplifier, installed after combining 1 aerial at Trefin and 1 at mount leinster with a splitter in reverse in the loft. This combined cable down into the back of the sky box. Rf2 from that back up into the loft into a labgear distribution amplifier to send sky, Freeview and Saorview around the house. Previously this had been done with passive splitters even though I knew there would be some loss in gain. I had never used amplifiers in the past because i had read they could be more bad than good.

Just using my Humax HDR-FOX T2's signal detector as a guide. My signals have increased dramatically.

Before
Ch22 28%
Ch23 42%
Ch25 46%
Ch26 40%
Ch28 60%

After
Ch22 81%
Ch23 85%
Ch25 87%
Ch26 85%
Ch28 96%

I'm going to have to see if I can pick up preseli now.

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Any current issues with the Trefin transmitter? Last night, all 3 muxes were dropping out completely for short periods. Neighbour asked me today if I have been having issues the past couple of days. I hadn't noticed on Saturday but mentioned last night and he confirmed the same issues as I had yesterday. He said he's had issues most of the day today and can confirm channels 22 and 25 are currently showing low signal quality on my Humax.

I can't see any issues being listed on here in regards to the Trefin transmitter. Signal from the Saorview muxes from Mt Leinster seem unaffected so seems unlikely to be atmospheric.

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Actually take back that last part, I'm seeing fluctuations in signal quality on Mt Leinster Ch26 so must be atmospheric issues. Must be having mobile network issues as it seems I posted the same message 5 times. Sorry about that

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