Fine Tuning Big Ugly Dish

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Ivn101
Posts: 75
Joined: Sat Jun 27, 2020 3:08 am

Fine Tuning Big Ugly Dish

Post by Ivn101 »

Hi Folks,

Direct south for me is 80 deg.
Closest south sat is 87w. Farthest west is 133w.

I set Elevation for max strength on 87w.
I set Declination for max strength on 133w.
I go back and forth until no noticeable change is req'd on either.

Now I go to 103w, and it needs peaking.
What is best? Adjust Declination then go to 87w for elevation?
-or- Adjust Elevation then go to 133w for declination?
Definitely needs fine tuning on 103w.

58w, the signal is way off, (no signal unless major declination change) yet my pole shows perfectly level and plumb.

Any guidance is greatly appreciated.

Thanks.

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cpr43
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Posts: 7046
Joined: Thu Aug 11, 2016 1:41 pm

Re: Fine Tuning Big Ugly Dish

Post by cpr43 »

Ivn101 wrote:
Wed Sep 08, 2021 8:26 pm
Hi Folks,

Direct south for me is 80 deg.
Closest south sat is 87w. Farthest west is 133w.

I set Elevation for max strength on 87w.
I set Declination for max strength on 133w.
I go back and forth until no noticeable change is req'd on either.

Now I go to 103w, and it needs peaking.
What is best? Adjust Declination then go to 87w for elevation?
-or- Adjust Elevation then go to 133w for declination?
Definitely needs fine tuning on 103w.

58w, the signal is way off, (no signal unless major declination change) yet my pole shows perfectly level and plumb.

Any guidance is greatly appreciated.

Thanks.
Remember that North/South should be the real North/South and not Magnetic. Also, the complete polar base should be set and all screws tied to the true South. Set your elevation and declination based on your location. Later, you move your dish with the mover/ actuator to 87w (not the base which will remains to true South) Peak 87w and do the rest. Try going to the farthest East instead of west for declination peak

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iq180
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Posts: 1289
Joined: Thu Aug 11, 2016 2:55 pm

Re: Fine Tuning Big Ugly Dish

Post by iq180 »

Ivn101 wrote:
Wed Sep 08, 2021 8:26 pm
Hi Folks,

Direct south for me is 80 deg.
Closest south sat is 87w. Farthest west is 133w.

I set Elevation for max strength on 87w.
I set Declination for max strength on 133w.
I go back and forth until no noticeable change is req'd on either.

Now I go to 103w, and it needs peaking.
What is best? Adjust Declination then go to 87w for elevation?
-or- Adjust Elevation then go to 133w for declination?
Definitely needs fine tuning on 103w.

58w, the signal is way off, (no signal unless major declination change) yet my pole shows perfectly level and plumb.

Any guidance is greatly appreciated.

Thanks.
Use Dishpointer-com and a laptop, that way you can zoom in on your location and find true south and all other settings you need.

lme
Posts: 280
Joined: Sat Apr 29, 2017 2:10 am

Re: Fine Tuning Big Ugly Dish

Post by lme »

yes, true south is the key.
you can calculate it here:

Code: Select all

https://www.magnetic-declination.com/
there is also an app for your phone; pretty accurate.
there is also a guide for Dish Installation here:

Code: Select all

https://www.tvrosat.com/forum/phpBB3/viewtopic.php?f=146&t=1252#p1452
good luck.
Nihil sine Deo!

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