The FL1 and FL2 ferrite filters in my NC-190 will not adjust to 230kc as
specified in the manual. About 227kc is as close as I can get them.
I can't find any info on them. Are they just coils? How do they work? Should
I just align the whole I.F. to 227kc? Any thoughts?
I think when this radio was made, it was still kilocycles. I if I align it
to khz might not function right. (joke)
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John