Not really... If you set your rig to 10.000.00 MHz and see what you hear. If
you hear 2125 as seen as a horizontal trace on your MMTTY scope, then you
are right on frequency. If you use narrow filters, there is no way to here
the modulation that is 700 or 800 Hz away.
73
Jim W7RY
On Sun, Jun 13, 2010 at 9:44 PM, Bill, W6WRT <dezrat1242@yahoo.com> wrote:
> ORIGINAL MESSAGE:
>
> On Sun, 13 Jun 2010 20:47:34 -0500, "Robert Chudek - K0RC"
> <k0rc@citlink.net> wrote:
>
> >
> >In addition to checking this menu setting, you can determine whether your
> radio is displaying the Mark frequency by tuning in WWV at 10-MHz. When your
> radio is set correctly in RTTY mode, you will hear the Mark audio signal
> (2125 Hz) generated by the WWV carrier. If the signal is zero beat, the
> radio is displaying the suppressed carrier frequency.
>
> REPLY:
>
> Be careful to do this only during WWV's unmodulated carrier periods,
> otherwise you could accidentally zero beat one of the sidebands.
>
> 73, Bill W6WRT
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>
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