Advice Needed Length of LNB arm

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daro2096

Regular Member
My Satellite Setup
No setup at present
My Location
Consett, Durham
Am slightly bored and want to know the answer to this question:

How long is the LNB arm on a 85cm dish roughly? Need to know to know how much 4 lnb cable to buy for going from lnb to diseqc switches.
 
daro2096 said:
Need to know to know how much 4 lnb cable to buy for going from lnb to diseqc switches.
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It depends where you intend to put Diseqc switch. I think that 5 meters of cable would be enough to do cabling around antenna.
 
From LNB to back of dish. There would be 4 quad LNBs using all 4 outputs on each.
 
Yes, but there no wireless solutions to get system work.
 
True. So the length of the LNB arm on a 85cm dish is 5 metres long? The cable I intend to buy(maybes) has 4 cables inside a bigger cable.
 
daro2096 said:
So the length of the LNB arm on a 85cm dish is 5 metres long?
Click to expand...
Did I say so? :D 5 metres is for 4 runs of cable. LNB arm is less than a metre. You better buy more cable and have some left over after installation instead of going to shop to buy another 2,3 metres :p
 
I just buy cable (WF100) on 100m reels then I stock up again when they start getting low...
 
4 Quad output LNB's on one dish, that's a lot of connections to do, a lot of coax hanging in the air and more things to go wrong.

Just use 4 cables to 4 single output LNB's and use a multi switch, you can get 4x4 multi switches, (or an 8x4 if you have the old legacy style LNB's) then you only have the 4 single coaxes coming in from the LNB's (or 8 depending on the LNB used) and 4 single coaxes running out to your receivers.

One switch, less coax, less connectors equals less things to go wrong.
 
I want to be able to record one channel and watch another. Maybes another from another satellite.
 
To record one and watch another channel not necessary to install Quad LNBs, it could be easily done with Twin LNBs.
 
But in the beginning you were talking about one channel watching and another one recording :D
By using quads, you certainly can do simultaneous recording of 4 different channel on 4 different receivers or one receiver with 4 tuners.
 
BTW, OCTO LNBs also available. With those possible to do 8 simultaneous recordings/watchings
 
As you have "" No setup at present ""
You have to get a basic setup first to build on.

Regards
 
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