[Boatanchors] Bud Radio Frequency Calibrator question

Dave Hollander n7rk at cox.net
Wed Feb 3 09:07:09 EST 2021

I found a Bud Radio Frequency radio crystal calibrator model FCC-90 in 
my junk yesterday.

Google search only brings up the later model FCC-90A using a 35W4 and a 

Mine is the older model with an octal tube in it. Currently a 117L7GT.
Is this the correct tube for the older unit?

Photo:   http://n7rk.com/radiostuff9/fcc90_Bud.jpg

Tnx es 73,

Dave N7RK

Dave Hollander N7RK
Arizona Tube Supply

Ham Radio Page

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