[Boatanchors] Boatanchors Digest, Vol 131, Issue 22

[Drew P. via Boatanchors]

 Rob Atkinson wrote:

"There have been two or three articles in ER about 75A-3 filters.
Usually they are LC filters.  It has become a kind of sport for me at
hamfests to lift the lids on any A-3s for sale and see how the filters
were made."

Thank you. I will definitely look into this.

Drew