[CW] Off Topic - Excellent Article on Some Thoughts on Portable and Tunable Mobile and Small Loop Antennas

[D.J.J. Ring, Jr.]

Some Thoughts on Portable and Tunable Mobile and Small Loop Antennas
Dr. Ulrich L. Rohde, N1UL, and Dr. Kai Siwiak, KE4PT

Excellent article, antennas can be used for "CW" of course - (on topic now?)

https://forums.qrz.com/index.php?attachments/loopantennas-pdf.737525/

73
DR

N1EA