Using an analog, NANO VNA and antenna tuner SWR meter to check SWR
I ran a test to see what type of meter would give the most accurate SWR readings on my Uniden 980SSB radio running on a Solarcon A-99 antenna with almost 100 feet of coax. For the test, I used a vintage Micronta 3 Range Power / SWR Tester, a NANO VNA, and the built in SWR meter of the ATU-100 antenna tuner.
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I would use the analog meter. Easy - accurate and will withstand much more power. But I would want a peak reading meter rather than the average reading meter you have, especially for SSB. My opinion.
Just curious, are your jumpers cut to "Null" or resonate to the frequency of 27mhz??? I would skip the 3'f jumper theory and start with a 6'5" jumper and get it as close to a quarter wavelength ~ to the center of the 27mhz band by clipping off a half inch at a time untill you reach a NULL. I have found that the 3'f jumper rule is nonsense. Iam not familiar with that NaNo device your using but if it works like a Rig expert, you can easily tune your jumpers to frequency in a snap.
L9ve watching your videos, I'm just getting back into cb communications. Do you also have a Facebook page? Takecare 73's from The Bluegrass State