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Ok. A rotor is something we can discuss after we stabilize reception.
As ADtech just mentioned, the 4228 isn't an antenna that picks up signals from a variety of directions. Documentation I find reports a 15 degree beamwidth of reception (or the main focal area of reception off the front). If magnetic 73 is WYDO FOX real channel (RF) 47 and you are at heading 85 you are 12 degrees off of WYDO. The 4228 works best when it is pointed right at the desired transmitter.
You are seeing the part # for power supply which isn't the same as the preamp part #. Though we've been able to figure out you have a winegard preamp.
Regarding your coax, with removal of the preamp and power inserter, we'll know pretty quickly if you are overloading. What you'll look for is stability in the Greenville signals if you don't change antenna orientation. If they stabilize, the culprit was likely overloading and your coax is fine.
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