[SFDXA] Info on winding chokes

[Pete Rimmel N8PR]

Here is info from Jim, K9YC   about winding chokes:

Merry Christmas to all...

PeteR  N8PR

He writes:

I've finally completed a year's worth of work on a completely new
Cookbook. It covers use of both the newer 4-in o.d. cores and the old
standard 2.4-in diameter cores, both #31 material, made by Fair-Rite.
Merry Christmas!

http://k9yc.com/2018Cookbook.pdf

73, Jim K9YC