[TenTec] Paragon, computer & CW Keying

[Vic Klein]

I also have a Paragon connected to a computer for logging (using Hyperlog,
not Logger 32) and for control using a homebrew program. I have no problems
dropping dits at 30 wpm when connected, but I have a suspicion about your
problem. The RS-232 port on the Paragon is fairly slow by today's standards,
but is only active when it receives a request from the computer, then it
sends a package of information about the current status of the radio. My
logging program only asks for the frequency, mode, and so forth from the
Paragon when you start to enter a new call into the log, but otherwise there
is no communication. Perhaps your program polls the radio periodically to
get the status? If so, that load could affect the radio into interrupting
the dit stream.

 =Vic=
WA4THR

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Subject:  [TenTec] Paragon, computer & CW Keying
From:  john <johnmb at nc.rr.com>
Reply-to:  Discussion of Ten-Tec Equipment <tentec at contesting.com>
Date:  Sun, 19 Aug 2007 18:39:38 -0400
List-post:  <mailto:tentec at contesting.com>

I 've had my Paragon talking to Logger 32 via the 25 pin serial port for
some time, but tried today to use it on CW in this configuration.  This
Paragon has the Ghiel chip.  The rig is being keyed by a stand  alone
keyer, NOT via the computer

I immediately noticed that when a string of dits were sent at about 25 WPM,
the rig missed sending some from time to time. Some investigation showed it
was much the same time needed to digest the frequency knob being turned
rapidly, before the computer caught up with the new CW setting.  It's like
it can send 20 or so dits, then the rig comes out of transmit for 3 or 4
dits while the serial port buffer gets emptied, then another stream of dits
is ok,  etc etc.... I can hold the keyer paddle down with a steady stream
of dits, but the rig periodically drops in and out of transmit.

Unplug the serial connector, all is fine.   The computer is certainly fast
enough, but am I correct in thinking that the 1200 baud capability of the
Paragon computer interface can't keep up with such things?

Drat!

John K5MO