Ron, Owner and operator of Scorpion Antennas.
Power Point presentation of Ron’s 137 KHz antenna work. Also His very good write up of his testing of “W” and “J” core material.
As a way of introduction, this is Ron WH2XND aka NI7J, trying to hide behind an eight foot florescent tube.
Weatherproofing of the 12 inch inductor depicted in the presentation above.