[bars] PSA for FT8/FT4 users - HOLD TX FREQ

Christopher Lennon kwaj.speedo at gmail.com
Thu May 1 09:23:40 CDT 2025


Tim,

I now have the piece parts to do digital modes, so I expect that in the
near future I will dip my toe into that pond.  Do you have a good newbie
reference to learn important tips like the one you shared above?

Chris
W2BPL


On Thu, May 1, 2025 at 10:16 AM Tim - K1DC via bars <bars at w1hh.org> wrote:

> For those of you that may be new to the FT8/FT4 digital modes - Welcome!
>
> Please, PLEASE, make sure that you *check (enable) that 'Hold TX Freq'
> check box *within WSJT-X (or the equivalent in your software of choice).
> This will prevent you from changing your TX frequency to the TX frequency
> of the station you are calling.  The result is that all callers will be
> spread out over the 3khz passband rather than all bunched up on the TX
> frequency of the station they are calling.  This is especially important
> when trying to contact special event stations or a rare DX station.
>
> Also, try to set your FT8 TX frequency on an even 50hz increment (500hz,
> 1150hz, 2200hz, etc) within the passband.  This will maximize the use of
> the resource and preventing potential QRM with signals overlapping.
>
> 73 & Good DX!
>
> Tim/K1DC
> --
>
> Courageously sent from a non-Apple device that *includes* a headphone
> jack.
> ------------------------------
> <https://k1dc.com/img/k1dc-qsl-card-front.png> Tim Carter - K1DC
> +1.978.710.0133 <1.978.710.0133>
> k1dc.radio at gmail.com
> https://k1dc.com
>
> "Computers are incredibly fast, accurate and stupid; humans are incredibly
> slow, inaccurate and brilliant; together they are powerful beyond
> imagination." -- *Albert Einstein*
>
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