[GreenKeys] Military Mark High to Mark Low change - FWIW

[Nick England]

I believe that audio high freq attenuation was responsible for an earlier
change from 2550 Hz center to 2000 Hz center. The voice channel SSB rigs
didn’t like 2975 as a high tone.

But I don’t think that would have explained the change from mark-high to
mark-low.

Nick England K4NYW
www.navy-radio.com


On Fri, Mar 8, 2024 at 7:16 PM Dave Horsfall <dave at horsfall.org> wrote:

>
> Perhaps it may have something to do with higher frequencies being
> attenuated or something?
>
> -- Dave
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