DirecTV Slimline to FTA Ku

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MattFL

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May 24, 2022
9
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South Florida
I’ve been thinking about doing a proof of concept project; converting a DirecTV slimline to FTA. I finally came across a trash pile pickup last week and set about the conversion. This setup is just a temporary test bed. After a little trial and error I was able to zero in on the elusive AMC21 at 125W. Q87 on the PBS mux!!! Now I just need to find a 2” j-mount for its permanent home. This is joining my 90cm Ku on an H-H motor. Total spent - $18 for the LNB mount and a DISEqC switch.
 

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M

MattFL

Thread Starter
Member
May 24, 2022
9
9
South Florida
Update… dish is now permanently mounted on the house and is performing well. I have found that it works best with vertical transponders. PBS feeds on 125W come in very well with a Q of 88 steady, only slightly less than my 90cm. Horizontal transponders, such as Reuters on 129W, don’t lock as well. The Q bounces from 72 to 90 but there was no pixelation.
My HH motor setup doesn’t like to stop on vertical transponders on the first attempt (returns to reference and then back) so I decided to fix the slimline modded dish to 125W so I have no frustration tuning in PBS. This is one of the few sats with vertical only transponders I directly go to on a regular basis. Other sats have a horizontal transponder I usually hit up first. I believe the HH motor lock issue has to do with the lower voltage the receiver is sending for the vertical transponders.
 
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