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Guest Message by DevFuse

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World Direct Dish for KA/KU


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6 replies to this topic

#1 OFFLINE   TwoPhases

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Posted 26 July 2011 - 12:23 AM

I had some free time this past weekend and since I have not seen this tried
before, I thought I'd give it a go. Everything is stock on this World
Direct Dish. I just used a couple of wood screws to attach the SL3 lnb to
the 2"x4" block which is attached to the arm with a small lag bolt. The
distance from the middle of the reflector to the middle of the lnb "eye" is
18.25". Roughly the same location of the 95 linear lnb. 101 signals were
93 to 100, 99 signals were 78 to 88, 103 signals were 76 to 92. This is
with just about 2 minutes worth of adjustments/aiming and a not so plumb
tripod (I just eyeballed it). What surprised me was the fact that the KA
signals were not as sensitive as they usually are. I'm certain the signals
can be improved with more adjustments and a proper mast (the one I used was
1-5/8" OD, not an exact fit for this dish) that's plumb. Thanks to Doctor J,
Matt9876 and Davenlr for the inspiration. Your prior experiments have made me want to tinker with this.

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#2 OFFLINE   P Smith

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Posted 26 July 2011 - 12:53 AM

Regular 1m offset FTA dish would cover all sats - 95/99/101/103/110/119. Tested. Works.

#3 OFFLINE   TwoPhases

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Posted 26 July 2011 - 01:07 AM

Regular 1m offset FTA dish would cover all sats - 95/99/101/103/110/119. Tested. Works.

Cool. How did you attach the 95 linear lnb to the 99/101/103/110/119 cluster?

#4 OFFLINE   P Smith

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Posted 26 July 2011 - 12:23 PM

Used own holder, actually ir was a L-shaped plank, angled according my arc (the dishes doesn't have tilting). All LNBFs bolted to the plank.

#5 OFFLINE   TwoPhases

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Posted 26 July 2011 - 02:15 PM

Pics would be greatly appreciated. I'm thinking of doing that for my next project. I do however, plan to bolt the skew plate from a Slimline dish to the back of my 1M dish. Similar to Doctor J's AK/HI mod from a while back. The challenge is adding that 95 lnb with solid signals.

#6 OFFLINE   doctor j

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Posted 26 July 2011 - 02:48 PM

Happy to be an inspiration:D

Doctor j

MFH-2 System : 2 Major Viewing Areas. 2 x HR20-700's & H21 in each area via E2/SWM-8. Hardwire gigabit switch to 30 mb/sec internet.


#7 OFFLINE   Groundhog45

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Posted 26 July 2011 - 09:11 PM

Cool experiment.

Richard -- DirecTV since '97
Team SETI.USA

 





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