Hi Rud.
> The decoding delay is minimal and probably not even noticeable, even
in chat
> mode.
The decoding delay will not be an issue in chat mode. But it is
annoying for someone interesting in DXes or just high rate of QSOs. It
will take too long to just decode call sign during CQ to find out
I am daring to post my opinion after reading the previous ones on this
thread.
In general, ARQ modes can insure the delivery of almost 100% correct
transfers. FEC can do nearly alike, but since there is no feedback,
transfers may get corrupted as SNR drops. ARQ + FEC can achieve a lower
retry
Its more likely that they know exactly what they are missing -- but
don't believe its worth the extra cost to obtain it.
Furthermore, there are still quite a few KAMs and PK232s around; the
incremental cost to their owners of running Pactor 1 would be very
low -- and yet this mode is not frequ
We have several modes that fall in to that category. Or, in one case,
did have with SCAMP which has not been made available after it was
developed. While it did not have the fall back position of the Pactor
modes, the developer chose not to add more robust modes. The speed was
quite good, faste
Hear hear
.
~
Patrick
VK2PN
QF56pe
on the east Australian coast
From: digitalradio@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of "John Becker, WØJAB"
Sent: Thursday, 24 April 2008 11:37
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Re: Mu
Ok I'll jump in on this one just once.
I feel if such ARQ modes as Amtor or Pactor 1, 2 or 3
could be done via sound card. Most modes would be dead
by noon tomorrow.
But since they can't no need to go on.
Some will never know what they are missing.
John, W0JAB
Louisiana, Missouri
EM48LK
The decoding delay is minimal and probably not even noticeable, even in chat
mode.
The delay in a chat is waiting for a buffer to fill so the FEC packet can be
constructed. In non-FEC mode characters are sent as typed. So for a 20
character message it requires the time for 20 keystrokes, calculat
> >>>A new protocol with all of PSK31's current virtues augmented by
> error correction and the ability to convey modest-sized files in real-
> time would initiate a similar transition, I suspect.
BTW, PSK63F has error correction, but I never heard it on air. FEC
will always introduce decoding de
