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Jim Kelley wrote:
You'll forgive me if I'm not in a mood to be generous. You might consider adding some ordinates to your phase plots. Also, some credit to Roy for making all of the calculations for you might be appropriate as well. (You might ask him how he does it.) We still haven't seen any of your work. By work I mean calculations, not typing i.e. assumptions, deductions, inferences, and proclamations. Assuming there are actual values, it would be good to know, for example, what calculations were made in order to arrive at the phase angles in the plots. The only equations you provide are for instantaneous amplitude as a function of phase angle for a standing wave. Obviously that isn't suffiencient for obtaining the data in your plots. It's very poorly done. D+ EZNEC uses NEC-2 for calculations and produces results essentially identical to those from NEC-2. The method is well documented in the NEC-2 manual, available on the web. Like NEC-2, EZNEC reports the magnitude and phase of current at each segment of the model. It calculates these from fundamental electromagnetic principles. No attempt is made by NEC-2 or EZNEC to consider the antenna as a transmission line or calculate any supposed traveling waves. Decomposition of the verifiable NEC/EZNEC results into traveling waves or anything else is strictly Cecil's doing, and any conclusions he reaches from it are also his only. Roy Lewallen, W7EL |
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