Ian Jackson wrote:

** In the examples I have checked ( both tube and SS ), it was always
10.7MHz lower.

Then don't you get a lot of image trouble from the two TV channels below
the FM band?


** Who is this "you" - white man ?

The tube FM receiver was made in USA ( mono, 75uS de-emphasis) and used a 12AT7 local oscillator - barely able to run at 100MHz.






..... Phil