Good afternoon!
Depending on how everything in your rig is connected and/or grounded, switching from a rig that is connected to the powerline ground to the NanoVNA that is floating could change things so that both of your readings are correct. If that sounds possible, you could tie the shield of the transmission line to the ground/chassis/etc of your xmtr while the NanoVNA is connected. That would eliminate that as a possible issue.
Just a thought...
Tom
AE5I
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On Fri, Nov 15, 2019 at 07:44 AM, Ron - An Old Ham in Utah wrote:
This is my first post after lurking since October, so I'm quite new to the
Nanovna. The Nanovna measurements of SWR are considerably lower than what I'm
seeing when I transmit on-the-air. What does this indicate? Calibration
problems, or errors in my other equipment? Any insight would be greatly
appreciated. Thanks.
--
Ron, K7UV