Errata – Antenna Traps, RadCom June & July 2020

The article Antenna Traps, An Alternate Design Method by John Lenahan, K0RW appeared in the June 2020 RadCom with errors in some of the formulae. We published errata in the July edition that was, embarrassingly, itself incorrect. We apologise unreservedly to John, K0RW and anyone who was affected by our error and are pleased to set the record firmly straight as follows (click for large version).

Mathematical formulae