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Discussion in 'DIRECTV Installation/MDU Discussion' started by Ken Stomski, Aug 30, 2012.
Perfect signal strength across 99, 101, and 103. i believe the two outer stubs are 119 and 110.
Lot's of air & cellulose.
Spray it with water and the signals will drop.
i figured HF could pass thru it. i guess it shows how strong those signals really are (when you can peak a reflector properly, like us)
If you have a meter, you would see a drop in the SNR/CNR.
Now i wished i went and hooked the AIM up. i used the levels on the receiver out of laziness...
I've done some testing of the LNB output with the AIM, and know what you might have seen.
"I'd imagine", you might have seen up to a 3 dB drop in SNR.
if this were a VSAT i would have worried about that small bit of change :lol: i am just impressed that reflector has enough gain to blast thru that nest!
Does it ever rain there? :nono:
BTW: it isn't really the reflector but the log amp of the LNA in the LNB.
yes, but the dishes we put up are peaked very well, and only go out when an extreme thunderstorm starts approaching from the southwest. we are in central new england. the engineers at directv claim the gain is in the reflector design, but i am sure the lnbs effect it because i see signal levels differ between the four main styles they currently use...
There is "gain" from the reflector.
Since you do have an AIM, run an IV test.
When that nets gets wet, the levels will drop significantly.
I thought that is what the Bee band converters were for.
yeah - nest is already removed, but for my own curiosity i should have used the aim before and after instead of simply using the receiver meters (BTW, signal issue was NOT the reason for the service call). sometimes i wish there was more time in the day...