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The bottom is never, NEVER, NEVER try and check SWR on SSB. Use ONLY a steady unmodulated carrier like AM, FM, or CW ONLY.


The reason the meter never went any further is because the peak SSB power is the same as the CW carrier power and as such the calibration setting would be the same.


BTW did I mention that you should NEVER check SWR on SSB?  :whistle: