ENGINEER BOB’S RADIO GALLERY IS BACK!
This radio is a GLF model F-770, circa 1948. GLF stands for Grange League Federation, which was a farmer’s co-op in upstate New York. In the late forties, the Grange League Federation founded six FM stations in upstate New York and formed the Rural Radio Network to serve farming communities. They marketed these well-built 10 tube AM/FM radios that were designed for long distance reception. Although the radio looks European in appearance, it is built with standard American parts and displays “Made in USA” on the bottom label. I found this radio in an antique store in Northeast Pennsylvania. I plugged the set in at the store, and the store started filling up with smoke and the stench of a burning transformer. Needless to say, this caused the price of the radio to drop drastically! Soon after, I was lucky enough to find a donor GLF F-770, that had a less needy chassis, but poor cosmetics. 
This radio is the result of the best parts of the two. I recapped this radio and replaced a couple of tubes. It plays ok, but still is not what it was in its glory. Since this radio was probably a one-off built- to-order design, there is no technical data for it floating around. I’ll take this one to the next level once the schematic and alignment instructions are available.
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