The 756Pro S meter is typically only 18 dB from S0 to S9. This is as
measured by Greg Ordy, who has a really cool program which reads the S-meter
throught the radio's computer port. It can even do Antenna Plots! You can
see it and download it from:
http://www.seed-solutions.com/gregordy/Software/SMeterLite.htm
Taking this into account, the difference between your S9+5 reading and an S1
is more like low 20's for F/B, a much more believable number. I would expect
this new antenna to have excellent F/B, in that it is optimized for actual
operating frequency, not just a single point in the band. Using the user
customizing feature, and given yours is a three element, it ought to be
possible to get really great F/B ratios, albeit at the expense of a tad
lower forward gain.
73 de Tony, K1KP
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