All of them together. It is showing the swr of the system of antennas. If
one of the elements is for 20M, the swr at 14MHz is primarily affected by
the 20M element - but the other nearby elements interact with it. And when
you change the length of any of the elements, it will affect to some
degree the swr and resonance of the system of antennas on the other bands.
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On Thu, Jun 8, 2023, 9:29 PM Steve Johnson <cascadianroot@...> wrote:
When using a NanoVNA to measure SWR on a multi-element antenna, with
different length elements but all fed from the same feedpoint, which
element¡¯s swr is the Nanvna displaying data for?
