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NanoVNA!
This thing is so cool. I already measured all of my antennas haha, no wonder my mag mount is so terrible at vhf, the swr is >2 for the whole band! I think it's a fake after all.. I didn't take a picture of that. But the comet antenna on my truck now is 1.06 at 433mhz! Wow 😎
@bren yeah I had same experience. Amazing little devices.
@bren A small warning: the NanoVNA has only so many measurement points, you'll need to zoom in to the actual frequency to see things. Measuring the full range as on this picture is good to have a rough idea of interesting zones but will not give accurate results.