Well the cable is laid and installed! Dish is moving, just waiting for a receiver, ordered a AMIKO MINI HD265.
Are you using blindscan? What LNB setting?
If picking up an adjacent satellite, either the dish aiming or the feedhorn placement needs optimizing.
Was the reflector string tested to confirm that it is not warped?
Feed centered on the reflector?
FD and FL calculated, set and optimized?
Skew optimized on each polarity?