So the theoretical rate for RTTY is twice the rate for FT4. My point
was that RTTY has a theoretical limit just as FT4 does, and KU8E (to
whom I was replying) stated that any mode that had a maximum rate wasn't
suited for contesting. If there was enough activity FT4 (especially
with a decent user interface) could achieve rates approaching 180 per
hour (theoretical is 240), and that includes calling CQ once per
minute. I think that would rank up there pretty high for any RTTY contest.
You're still ignoring the significant sensitivity, bandwidth, and QRM
tolerance advantages of FT4, and like everyone else you're still
confusing the mode with the interface. The mode doesn't have anything
to do with what's between the chair and the rig, while the interface has
everything to do with it.
Dave AB7E
On 1/15/2020 9:20 AM, cosson-dimitri wrote:
Hello David,
<<<<
RTTY absolutely has a maximum rate for how many contacts you can make in
an hour. It might be faster than FT8 (which I think is not viable for
contesting either) , but I'm not sure it's appreciably faster than FT4
if the activity level was the same and we had a comparable user
interface for FT4. Please explain how I am wrong on any of that.
It's simple, a "normal" RTTY cycle in contest is 3-4 secondes. FT4 is 7.5. So think what
you want but these are the facts... Just show us your contest rate (whatever the mode used).
Criticizing an UI is one thing but as a friend (top contester) says "the problem is usually
between the chair and the transceiver"....
73 de Dimitri F4DSK
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