Need help with 6ft dish instal

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wildboys

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Feb 14, 2004
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I am having a very hardtime installing my new fortec 6ft polar mount dish.I have install many motorized dishes without any problems but this one takes the cake.My zipcode is 72764.My long=94.1w lat=36.1n.I have the dish lineup with my true south which is telstar 5.My polar elevation is set to 36 measured with angle finder on the dish in the enclosed photos.I have a Chaparral Corotor II+ C/Ku Feed with lnb's.When i got everything assembled i pointed the dish towards G16 and checked all tp and got no picture on any tp's.I then slowly move the dish across the clarke's belt and could not get any pictures on my cband analog receiver.I then switched to my coolsat 5000 receiver to see if i had any signal.I had a signal of 94 and a quality signal of 7 on what i think is telstar 5 it is my true south and i have a motorized 1.2 meter dish so i know where to point the dish to get a signal.I first moved the whole mast very slowly to see if i would get a better quality reading on T5.The meter did not change so i raised and lowered the elevation but still no signal.I have double checked all my connections the plumbness of the pole changed lnb's but i cannot get a signal on any satellite.I am enclosing pictures of my install.If anyone see anthing i am doing wrong including my elevation settings please let me here your suggestions.
 

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Focal length?

I've usually had good luck with pointing a CBand dish but maybe you could use the ole circular E* legacy LNB trick. Find a few strong birds, I'd shoot for 91W where there's linear KU and CBand. Then switch over to the C/KU rig.
 
First thing I would check is that the feedhorn is at the proper focal length. Then line up on your true south satellite, closest sat for your true south is g3 at 95 not IA 5. G3 is one degree off, which should work ok just means a little more tweaking. Set your proper elevation, then set declination. You should not have to touch elevation after that.

elevation=47.42
declination=5.17
azimuth=180.67

After you have set elevation/declination then rotate the whole mount on the pole until you get a signal, in very small increments. If your pole is plumb, and the elevation is set correctly you should be able to find it.

Unfortunately, there is no analog stuff full time on g3, so you will have to look for a DVB signal.

Good Luck
Doc
 
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BTW, does this mount have an actuator? If you extend your actuator all the way and then set elevation, you wont be able to see east of your true south. I would extend the actuator just past half way for your location. Just make sure you dont "flop" the dish by going to far east ;)
 
Last edited:
digiblur said:
Focal length?

I've usually had good luck with pointing a CBand dish but maybe you could use the ole circular E* legacy LNB trick. Find a few strong birds, I'd shoot for 91W where there's linear KU and CBand. Then switch over to the C/KU rig.

Type


Prime

Diameter


180 cm

Panels (sections)


6

Aperture Efficiency


70% min.

C – Band Gain @4.0 GHz


35.89 dB

KU – Band Gain @12.5 GHz


45.54 dB

F/D Ratio


0.38

Focus Length


682 mm

Material


Steel

Finish


Polyester Powder Coating

Color


Grey / Cool Grey

MOUNTING

Mounting Type


Ground Mount

Elevation Angle Range


0° - 90°

Azimuth


0° - 360°

Material


Steel

Finish


Polyester Powder Coating

Color


Grey / Cool Grey

Pole Diameter Acceptable


75 mm

Net Weight


29.0 kg

ENVIRONMENT

Operational Winds


25 m / sec

Survival Winds


40 m / sec

Ambient Temperature


-40°C ~ +60°C

Relative Humidity


0 ~ 100 %
 
drhydro said:
First thing I would check is that the feedhorn is at the proper focal length. Then line up on your true south satellite, closest sat for your true south is g3 at 95 not IA 5. G3 is one degree off, which should work ok just means a little more tweaking. Set your proper elevation, then set declination. You should not have to touch elevation after that.

elevation=47.42
declination=5.17
azimuth=180.67

After you have set elevation/declination then rotate the whole mount on the pole until you get a signal, in very small increments. If your pole is plumb, and the elevation is set correctly you should be able to find it.

Unfortunately, there is no analog stuff full time on g3, so you will have to look for a DVB signal.

Good Luck
Doc
i am a little confused about the declination. where on the dish should i set it.36.177918 N, 94.104682 W is where i live.Should i still set elevation at 47.42 my zip is 72764.Should i set my elevation on the bar where the angle look up is setting on the attached picture or should i measure it on the top of the ring?
 

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Once you set your main axis angle (Latitude) then use the declination screw until you hit the satellite arc. This is where a cheap satellite meter can be a great help. Then use a live transponder to fine tune.

Its looking good!
 

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PSB said:
Once you set your main axis angle (Latitude) then use the declination screw until you hit the satellite arc. This is where a cheap satellite meter can be a great help. Then use a live transponder to fine tune.

Its looking good!
Thanks pete i just hit g16 The declination was the problem.
 
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