That'll make you tear your hair out to do these very tiny movements. You NEED a small tv and receiver up at the dish, or you'll likely never get it before you are ready to drop from exhaustionMy receiver is in the house but I can continue to run up and down. Np.
IF you have a laptop and a smartphone, maybe you can face the camera towards your tv set, and run Google Duo or something. Then watch it on your smartphone up at the dish?