Total posts : 45366
Part15.us committee member Rich has sent me back to re-read the Test Results and I found the description of the ground rod used for all tests printed in an eralier portion of the document. It seems to me that in a formal presentation the ground matter would be part of the individual transmitter test result rather than scattered around in the document, but an informal sketch is hobby style and quicker.
There’s still the matter of all the jumpers, which can enhance or detract from the resulting output.
I’m also worried about the fiberglass pole used to support the wire antenna, many fiber glass poles contain a metal wire helically wound to keep the pole firm and this can introduce capacitance effect and absorb some of the radiation.
Unless the fiberglass pole was placed next to all the test antennas, results may be skewed.