Well this 5/8 wave model may be all wrong. If the modeling experts were talking, they would probably confirm that. However, since nobody is talking up, even Henry, why don't we take this model, for arguments sake, as correct or at the very least close enough. We can always come back and say it was dead wrong, and I'll back you up if true.
The way I read your original post, where you referred to you considering to recommend inverting your antenna mount upside down to certain of your customers that used single antennas, is a bit different from what you said above.
SW, I can make judgments about mistakes, but I tend to get real confused when the words I read don't mean what they say. Here is what you originally said regarding your recommending this upside down install to your customers.
I assume you have not modeled any of these ideas including the wide angled Vector, because in my opinion if you had, you would surely be discouraged in proceeding with such ideas.
Here is what I get using my New Vector model right side up and upside down.
If you can tell me why I don't see the bad results with this model that you earlier claimed you had a dozen antenna modelers work on, all saying in the end the best maximum gain and angle would be up in the 40* degree range, and that was because Eznec could not recognize the radial design for the Vector?
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I figure if you showed these results to a customer you would have a hard time convincing him to turn his antenna upside down...under any circumstances.
