[GreenKeys] 75 baud RTTY

[Russ Miller]

Jim,

One thing that changed from the 1950s?

850 shift was hampered with selective fading.  170 shift improved copy during those situations.

Russ



Sent from my iPhone

> On May 21, 2023, at 11:50 AM, Jim Haynes <jhhaynes at earthlink.net> wrote:
> 
> Well I'm talking about mmore ancient history, not what's going on now.
> 
> I don't remember now the source of the assertion that faster than 45 baud is not successful on HF radio - and of course it was not that higher speeds are always impossible, just that from time to time there are conditions where the lower speeds work significantly better.
> 
>    ---
> 
>    "Ya can argue all ya wanna, but it's dif'rent than it was."
>    "No it ain't! No it ain't!  But ya gotta know the territory."
>        Meredith Willson, The Music Man