NEC Model for KJ7NLL Helical

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Here's a NEC model for this interesting 2M helical antenna by KJ7NLL (look up on QRZ.com).

NEC source code

Link to 4NEC2, my preferred antenna modeling software.

Generate a helix:


Geometry



Peak gain is ~18 dBi
Vertical Plane Gain









Created 29 May 2020
Edited 29 May 2020
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