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<blockquote data-quote="excollier" data-source="post: 682965" data-attributes="member: 284272">Last week I&nbsp; installed 3x Freesat receivers to a&nbsp; newbuild house. I noticed that the quad-output LNB was not outputting&nbsp; the Vertical high frequecies, but I got the other three ( V-low, H-low&nbsp; and H-high ) and got the setup working in two of the three rooms, and a&nbsp; good signal level in the third, although I did not test the receiver Yesterday I returned to install an aerial so that the customer could&nbsp; receive RTE along with his UK satellite channels. To achieve this I used a quattro LNB and a 5x4 Triax multiswitch, as the&nbsp; customer only has 1 cable to each room, I also added triplexed(sat,&nbsp; UHF, FM/DAB ) outlet plates. Once again I seem to be missing V-high frequencies from the satellite&nbsp; outputs on the plates.This varies from 48% PQ in two of the rooms to 0%&nbsp; PQ in the third room, which was the troublesome room at the first&nbsp; attempt, also the satellite picture keeps coming on and off, alternating&nbsp; with the terrestrial transmission (which is fine throughout the house).&nbsp; The customer commented on this effect before I returned to add the&nbsp; aerial and multiswitch. The satellite signal shows no fluctuation or&nbsp; intermittent signs on the meter, it is steady and constant. The V-high from the LNB to the multiswitch input is fine at 86% PQ. Could anyone tell me what causes this ( I suspect the cable to the most&nbsp; troublesome room is the culprit ) any pointers will be gratefully&nbsp; received. Also as an added question, as this is a single dwelling, with only three&nbsp; rooms using the multiswitch, do I need to add earth bonding? From what I&nbsp; can gather a small install like this does not need it, but I am unsure&nbsp; of where I stand on this. Thank you in advance</blockquote>

[QUOTE="excollier, post: 682965, member: 284272"] Last week I installed 3x Freesat receivers to a newbuild house. I noticed that the quad-output LNB was not outputting the Vertical high frequecies, but I got the other three ( V-low, H-low and H-high ) and got the setup working in two of the three rooms, and a good signal level in the third, although I did not test the receiver Yesterday I returned to install an aerial so that the customer could receive RTE along with his UK satellite channels. To achieve this I used a quattro LNB and a 5x4 Triax multiswitch, as the customer only has 1 cable to each room, I also added triplexed(sat, UHF, FM/DAB ) outlet plates. Once again I seem to be missing V-high frequencies from the satellite outputs on the plates.This varies from 48% PQ in two of the rooms to 0% PQ in the third room, which was the troublesome room at the first attempt, also the satellite picture keeps coming on and off, alternating with the terrestrial transmission (which is fine throughout the house). The customer commented on this effect before I returned to add the aerial and multiswitch. The satellite signal shows no fluctuation or intermittent signs on the meter, it is steady and constant. The V-high from the LNB to the multiswitch input is fine at 86% PQ. Could anyone tell me what causes this ( I suspect the cable to the most troublesome room is the culprit ) any pointers will be gratefully received. Also as an added question, as this is a single dwelling, with only three rooms using the multiswitch, do I need to add earth bonding? From what I can gather a small install like this does not need it, but I am unsure of where I stand on this. Thank you in advance [/QUOTE]

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