As the second range is well within the first range, you may be able to get
away with it, though the ideal way is as Dave has mentioned.
73
Jon, VU2JO
On Tue, Apr 22, 2025 at 8:40?PM Kenneth Roberts via groups.io <kenr313=
[email protected]> wrote:
I'm new to the NanoVNA H-4. If I calibrate for SWR in the range of
144-174, and then I change the range to, say, 144-148, do I need to re
calibrate?
IOW, for the purposes of SWR readings, under what circumstances do I
need to re calibrate?