Thanks for your support Primestar31 & Lone Cloud
Mi question is because long time ago, I did aim to pass 9 58.0 w and good results, and next I have switched to Nss 806 40.5 W and excellent results (I never touch the declination settings) and right now I am trying to move again at the new satellite intesat 21 at 58.0 w and nothing. I am missed..lol.. I have moved all settings and nothing (include declination).. I come back to the "Bud- School" to read and understand the meanings of the parametres to find What i have wrong.. I have read that is more easy to aim the satellites when you find your true south (to move and come back) but my problem is that my direction to the true south is totally blocked with a tree.
Maybe I will get an actuator in the future but no now
thanks
It really doesn't make sense for you to worry about what you might do in the future. I can assure you that you would be incredibly lucky to be able to just strap on an actuator motor and get the entire arc.
If you must know, declination is a function of your latitude. It is an adjustment that, once set, never changes, because your latitude doesn't change. If you are somewhere in the 48 states of the US, your declination will approximate five degrees.
As far as your southernmost satellite is concerned, you might be able to attach a protractor to your dish somewhere, so that ninety degrees will be your zenith. Then get the satellite you are going for and see how many degrees east or west it is of your location,
then move your dish that many degrees using the protractor in that direction and tighten it there.
Then try spinning it on the pole until you get the satellite you want.
The problem with all that is, a fixed mount doesn't even need a plumb pole. It can be crooked, but as long as it's firm, it will work. If you are looking to go for the arc though, even manually, you need a pole that is straight up and down and solid.
Still, in my view, it isn't worth worrying about any of that until you are ready to go with a motor.