Polarmount adjustment - help needed

Impact

Impact

Regular Member
Messages
18
Likes
0
My Satellite Setup
AD-3000IP
Geotrack 18" actuator
Cryptoworks CAM
Aston CAM
Sony Plasma WEGA KEP37XS1
Sony HD Recorder RDR-HX900

My Location
The Netherlands, Arnhem
#1
Hello everybody!

Think i am dealing with the same problem. Newbie and setting up a dish with polar mount. My Longitude = 52.00 N and Lititude = 5.53E. Now i can adjust my mount on two places: see pictures



And here:


My thought is that my elevation is 90-52=38. That is the angle i should allign in the bottom picture. My declination is 38-30.51=7.5 this i should align in my top picture?

Is this all right and can somebody explain me if not how to set it up then?

Greetz and thanks in advance!!

Remon
 

Attachments

Impact

Impact

Regular Member
Messages
18
Likes
0
My Satellite Setup
AD-3000IP
Geotrack 18" actuator
Cryptoworks CAM
Aston CAM
Sony Plasma WEGA KEP37XS1
Sony HD Recorder RDR-HX900

My Location
The Netherlands, Arnhem
#2
Nobody a lead??

Greetz, Remon
 
Topper

Topper

Amo Amas Amant Admin
Staff member
Messages
21,915
Likes
3,346
My Satellite Setup
IDD CI24 ECONO MM Penta 1.20 Galaxy II
1.2Mtr Polar MTG yes it has been on the arc for 25 years and is now fixed on 13 East using two pairs of rusty molegrips. Unlike me they never groan but always perform.
My Location
Blackburn, Lancashire
#3
Impact said:
Nobody a lead??
Greetz, Remon
I am sorry Impact I have only ever set up my humble polar mount and nobody elses. My first thought thought is what is your dish is it prime focus or offset???

The reason I am asking is because in the top photograph your mount would appear to have been used before and there are stain marks where the top angle was origianlly set and you have it set different. Was the dish installed near you or a long way away from your current location?

The 2nd reason is that if it is offset then I would expect to see the dish generally vertical unless it is a prime focus feed.
Have a look at the area I am talking about highlighted in red.
 

Attachments

Impact

Impact

Regular Member
Messages
18
Likes
0
My Satellite Setup
AD-3000IP
Geotrack 18" actuator
Cryptoworks CAM
Aston CAM
Sony Plasma WEGA KEP37XS1
Sony HD Recorder RDR-HX900

My Location
The Netherlands, Arnhem
#4
Thanx for reaction! It is prime focus dish. I allready put it back in the place where you where pointing, it is the declination of 7,5 i think. Only my right elevation now....

Greetz, Remon
 
P

phillpayne

Regular Member
Messages
87
Likes
0
My Satellite Setup
humax 5400z patched to hot 11.1, v box mrk2, 1.1m triax dish, jeager 12" activator .6 lnb, modified pet123 settings
My Location
kent
#5
hi impact,
i am in the same position as toppervte33h, as in i have an offcenter dish, but you are correct in saying the top one is declination and the bottom one elevation, personally i would have thought the declination would have been the same, just the elevation would be different, but what the hey as i said i have no idea with prime focus, but i have a funny feeling its a bit more simple for you, as with a offcenter we have to take that into consideration when setting the declination
sorry i can't help
phil
 
Impact

Impact

Regular Member
Messages
18
Likes
0
My Satellite Setup
AD-3000IP
Geotrack 18" actuator
Cryptoworks CAM
Aston CAM
Sony Plasma WEGA KEP37XS1
Sony HD Recorder RDR-HX900

My Location
The Netherlands, Arnhem
#6
Okay somebody knows how to calculate this then? Prime focus dish..
(1) Is it 90 degrees - altitude = elevation? (2) And then calculate elevation with smw link.
Then (1) - (2) = declination???

Nobody??

Okay here my setup...



Curious now...

Greetz, Remon
 

Attachments

L

Likvid

ASBO Club Member - Persona non grata
Messages
1,752
Likes
5
My Location
Stockholm, Sweden
#7
Arnhem, Netherlands got coordinates 52.00 North 5.90 East.

Put the dish in central apex position, the position where it have the highest elevation.

1. The elevation angle on your mount axle should then be 90-52 = 38 degrees

2. Now set the correct elevation of the dish by measuring on the rim in front of the dish, it should have the highest elevation at your location which is at 5.90 degrees east which corresponds to 30.57 degress.

3. Double check!!

4. Now choose a satellite far away to the west, say Hispasat at 30 degrees West, the elevation for that satellite at your location is 21.91 degrees.

5. Turn the motor til you reach the above elevation for Hispasat.

6. Now loosen the polarmount from the pole and turn the whole mount til you get a signal from Hispasat, you are now adjusting the south/north orientation of the mount, fasten the mount to the pole now when you have maximized the signal.

7. Now check the rest of the satellites on the clarke belt, do you need to lower or raise the dish?




That is a bit summarization, there are some figures on the net on what to adjust when elevation is too low or high on some satellites.....

Some links....

http://www.satsig.net/pol_ex1.htm

http://www.satsig.net/pol_ex2.htm

http://www.satsig.net/pol_ex3.htm

http://www.satsig.net/polmount.htm


Impact said:
Okay somebody knows how to calculate this then? Prime focus dish..
(1) Is it 90 degrees - altitude = elevation? (2) And then calculate elevation with smw link.
Then (1) - (2) = declination???

Nobody??

Okay here my setup...



Curious now...

Greetz, Remon
 
Impact

Impact

Regular Member
Messages
18
Likes
0
My Satellite Setup
AD-3000IP
Geotrack 18" actuator
Cryptoworks CAM
Aston CAM
Sony Plasma WEGA KEP37XS1
Sony HD Recorder RDR-HX900

My Location
The Netherlands, Arnhem
#8
Wow thanx for really complete explanation!! So i will need some tool to measure the angle really good... Thanx very much!!!

Greetz, Remon
 
L

Likvid

ASBO Club Member - Persona non grata
Messages
1,752
Likes
5
My Location
Stockholm, Sweden
#9
Here is a better picture i found, learn the patterns and you will be able to align your mount to perfection.

882144-adjarcsr.gif
 
Top