Total posts : 45366
My take on what PhilB said about the ground wire was plain technical advice based on how to get an Isotron to work properly with a part 15 AM transmitter.
If there is a hidden meaning, it is not to suggest that we break the rules by using an improper ground wire, but that the Isotron makers themselves may not have revealed everything regarding the effective implementation of their antenna design.
I am out on a plank here, and may be on the wrong path, but I am certain that PhilB is not suggesting we violate the 3-meter rule.
At this time I invite rebutts.