I like the nifty antenna and Numechron clock
I went out to the garage and took a closer look at the knobs.
It appears that I do have three of the Sonora knobs. The channel plate is gone though.
I figure that will be impossible to find, but maybe I can replicate one
The Westinghouse channel plate is present but very worn.
Here are the rest of the knobs. Looks like RCA and one random knob.