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Well Bob, I made the coil with 3 sides per turn and now I getting a non-corruptible segment-check error message, saying the extended ends of the helix axis I just created...are too short. It is not very much difference and I can fix it, but what happens with other buried and maybe sequestered type errors in such a model.


I've seen this type of error message before in a model of a Hex multi-band antenna that M0GVZ posted a while back. I asked him if he could explain the error, and he said he was surprised at the error, saying the model came from some popular modeling Website. So, I have no idea what it all means. This is the kind of problems that I worry about trying to do the GM with all the bells and whistles. 


Here is my GM model, in progress of testing with the 8 wire per turn idea with the FL noted at the bottom 2 wires. These 2 top images also show the details for the new 3 wire coil setup with the TL on the bottom 2 wires.


It also shows the antenna image with the new coil I added lower down below with only 3 wires per turn and the error message it shows with the new coil. This coil is also asymmetrical in the wire lengths and that also might cause some problems with Eznec. 


I also recall seeing this symmetry problem before with some model of the NV4k/Sigma4, trying to reduce the number of wires for the model.