How to install a rotor
Following these steps in this order might help with this difficult matter. The satellites mentioned here are for Central Europe.
- Use the Satellite Finder to find the maximum elevation:
type in identical values for satellite orbit and site longitude and enter your latitude. Now look at the calculated values:
- Set the main axis of the rotor to your polar mount main axis (usually it has a scale) f.e. 55°
- Set the dish elevation to "Dish elevation" minus "Polar mount dish offset tilt" (or plus, depending on your axis) f.e. 27°-7°=20°
- Rotate manually to a strong satellite position near the center.
If your position is 10°E I'd recommend you
let it point 3° left of the middle- this would be the setting for Hotbird.
- You can also use GotoXY for that purpose - but in this case you won't be able to fine tune for weaker satellites
- The whole construction should point south of course. Now choose a valid transponder and move
the whole construction (rotor+dish) a bit to the left and right and watch the SNR scale:
50% means nothing, 60% is a weak signal, 70% sufficient, 80% good, 90% is very strong. Try to get the maximum
- It should be possible now to find neighbouring satellites
- The satellites on the extreme west and east are most difficult. If only one of the axises is a bit out of
track, reception gets impossible. Here you can only get further with logic: do you point too low in the east and
too high in the west? Then the whole construction might need to be shoved a bit to the west. East and west too high
and mid to low? Then put the dish a bit up and the polarmount a bit down. This is a procedure where you need
patience. It's relatively easy to get sufficient signals from 42°E to 30°W in Europe but if you also want
75°E and 45°W it will be hard.
- Of course not all the satellites and transponders can be received in any place. Look at the footprints at
Lyngsat
Look at my list which signal levels you can expect.
Radiovibrations.com ->
Dreambox Notes