All of my antennas have a static discharge at the feed point. I would recommend them.
AD5X has a couple of excellent articles on the subject:
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Mike N2MS
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Yes, grounding the antenna to discharge static before making
measurements is essential, but a protection network will provide
insurance against accidents and errors that can easily occur to the most
methodical of us. NanoVNA/TinySA will be used for work on other devices,
not just antennas. For instance: TinySA for aligning valve radios.
