I think the RTTY Journal became the Digital Journal in 1994 if my memory is
correct. Mainly because we were covering RTTY, Clover, Pactor II and later
PSK. Hmmm.
73
Neal
On Wed, Aug 3, 2011 at 8:08 PM, Kok Chen <chen@mac.com> wrote:
>
> On Aug 3, 2011, at 3:58 PM, Tom Osborne wrote:
>
> > Makes me wonder, when did 'digital' start??
>
>
> The term "digital signal processing" came into common use probably a little
> after 1970. Before that, we were just doing "signal processing," even when
> we'd used numerical methods.
>
> > Don't think many of the RTTY countries I got back in the 60's and 70's
> were on PSK, (or any other 'digital' mode).
>
> The relative rarity between RTTY and the other keyboard modes can be funny
> at times. Before the mid 1980s, Peter TY1PS used to operate in even the
> minor RTTY contests. Working TY1PS on RTTY was no harder than working HH1PK
> (remember Patrick with his really, really short exchanges?).
>
> Sometime after that, Peter switched to using Pactor and TY became rarer and
> rarer on RTTY until pretty much the TY5A DXpedition (which was done in
> TY1PS's shack and car, from information printed on their QSL card :-).
>
> Skip to more recent times (2004), I still remember all the hand wringing on
> this reflector when T33C waited more than 24 hours before appearing on RTTY.
> They appeared first on PSK31, and that was how I got my first T33 digital
> mode contact. A day later, when they appeared on RTTY, I worked them for a
> second digital mode contact. Had I not worked them on RTTY, that PSK31
> contact could have been all important. My VP2M was also done on PSK31
> first and RTTY later.
>
> 73
> Chen, W7AY
>
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--
Abroham Neal Software
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