ORIGINAL MESSAGE:
On Mon, 14 Feb 2011 14:58:02 -0500, Al Kozakiewicz
<akozak@hourglass.com> wrote:
>
>I don't know for sure why, but I observe it dozens of times in any contest. I
>suspect the interface design. A character is probably still in the serial
>interface buffer but the software thinks it's done sending and drops the PTT.
>PTT shouldn't drop until the interface buffer is empty. You can't always do
>that reliably if you're relying strictly on computer software to control
>everything - you might need to add a one-shot delay after the last character
>is pushed to the interface before you drop PTT.
>
>Since I can't be sure that my interface isn't causing a problem, I add the
>space just to be sure.
REPLY:
That's interesting. In my own case, using MMTTY, I am pretty sure that
isn't happening. I monitor my own transmissions with a separate computer
and different software and have not seen the software do that. I will
watch for it more closely in the future just in case. Thanks for the
heads up.
73, Bill W6WRT
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