The dish is a Prodelin 3.7 meter. Link:
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I modified a plate to give a bit of circular polarity.
The only place I found Nasa was 45 west, and did not find any channels on the high band that was 4K. 40.5w scans found only one transponder above 4200MHz.
Scan logs for the various satellites are attached. All of these scans were done with the new feed and lnbs. The logs may be viewed with Geany, Notepad++ or similar. They may also be viewed with any text editor by changing the file extension from .xml to .txt.