Hi, I started in C-Band TV reception about 25 years ago with a used 10' dish. Now I am using the same dish for Hydrogen Line radio astronomy hobby at 1420 MHZ. My feedhorn is a modified coffee can. I was wondering 1st if anyone can identify the brand/make of dish from the photos? Also, the feedhorn mount is a buttonhook style that appears to be rusted-in-place. I tried WD-40, tapping it with a hammer, and a propane torch... no dice. Any suggestions for repair or replacement? Thanks! Michael