After using mine for a month or two, I noticed a shortcoming. All the SW ranges
had shifted upward about 50 kHz. Someday, I'll open it and see if they can be
tuned back down. I doubt it, though. The B&H couldn't be. Its capacitors were
for peaking the inputs.

I just tried a sheet of steel behind my jWIN. It dropped the ranges 10 kHz.
Then I played around with magnets behind it. It would go momentarily crazy and
then settle down. After I got through fooling around, I saw that the ranges
were back to where they used to be. :-)

Bill aka MacGyver, K5BY