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Guest Message by DevFuse

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Is Slimline bad? Peak signal of 60 on sat 101


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23 replies to this topic

#21 OFFLINE   joe diamond

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Posted 06 December 2008 - 09:44 PM

Could this also be true if I'm using the receiver to see the strength and not a meter? I also have 60s and 70s for the 101, but I have 70's for the 110, 80s for the 119, and 50s for the 103. Does this sound like I'm centered on the wrong Sat? If so, how do you find the write one?


Looks like you need to adjust the elevation and or check the mast for plumb.

Left, Right + Up & Down; mast plumb + tilt as per spec for your zip!

Joe

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#22 OFFLINE   K4SMX

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Posted 07 December 2008 - 06:29 AM

I am still having problems tweaking the slimline dish. My concern is leveling the post. It appears to be level, but I'm not positive.........

If you are using a wooden "post," you're asking for long-term trouble with maintaining alignment of the Slimline dish. That said, the best way to check your plumb is to mark the current azimuth setting with a Sharpie where the dish mount meets the J pole, remove the dish temporarily, and check the plumb of the pole with a torpedo level. Many commonly available 9" torpedo levels have a groove down one side for pole leveling.

Brannayen makes a good point, although the problems I've had with warped dishes primarily effected the HD satellites. Determining whether a dish reflector is warped is not easy. The only way I've been able to guestimate this issue is by placing two yard sticks across either side of the center of the face of the dish and then viewing the yard sticks from the side as someone slowly slides one of the yard sticks and then the other toward the outer perimeter of the dish.

Have you confirmed these "low" signal strengths with a different receiver, even if you have to borrow one from a friend?
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#23 OFFLINE   RobertE

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Posted 07 December 2008 - 09:48 AM

If you are using a wooden "post," you're asking for long-term trouble with maintaining alignment of the Slimline dish. That said, the best way to check your plumb is to mark the current azimuth setting with a Sharpie where the dish mount meets the J pole, remove the dish temporarily, and check the plumb of the pole with a torpedo level. Many commonly available 9" torpedo levels have a groove down one side for pole leveling.

Brannayen makes a good point, although the problems I've had with warped dishes primarily effected the HD satellites. Determining whether a dish reflector is warped is not easy. The only way I've been able to guestimate this issue is by placing two yard sticks across either side of the center of the face of the dish and then viewing the yard sticks from the side as someone slowly slides one of the yard sticks and then the other toward the outer perimeter of the dish.

Have you confirmed these "low" signal strengths with a different receiver, even if you have to borrow one from a friend?


In order of probability, warped reflector, mast out of plumb, weak LNB.

With a normal dish, the yard stick method works well, but the Slimline isn't exactly concentric (I think thats what I'm looking for). In other words, it's not the same size at the same place on each side.
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#24 OFFLINE   Mertzen

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Posted 07 December 2008 - 11:37 AM

It could be the reflector. Twice now in the last 2 weeks, I've gotten 50's and 60's until I replaced the reflector. There didn't seem to be any visible flaws, dents or scratches, but nonetheless the signal came in strong as soon as I replaced it.


This can be very deceptive. I had a trouble call once where a worldirect mast had come loose and fell. It didn't seem like the reflector was affected but after 10 mins I still didn't lock on the 95 bird. When I got a new reflector it came out that it was damaged but by only an inch on each side. Focal point gets affected quickly.
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