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[aprssig] KPC 3+ and Peet Bros 100 interfacing

Andy AB9FX ab9fx at aprs.pl
Sun Jun 4 23:35:50 UTC 2006


Steve,
in the KPC-3+ there is option to clear data after sending. So, good solution 
for Packet Mode with 5 minutes intervals is to set something like:
BLT 1 EVERY 00:00:30 CLEAR
Then wx data is sent by TNC not later than 30 seconds after receiving from 
Ultimeter. Also buffer is cleared if there is no data from weather station 
and no any packet with old data is on the air.
73!
Andy


----- Original Message ----- 
From: "Steve Dimse" <steve at dimse.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Sunday, June 04, 2006 15:26
Subject: Re: [aprssig] KPC 3+ and Peet Bros 100 interfacing


>
> On Jun 4, 2006, at 9:02 AM, Chuck Kimball wrote:
>
>> It's set for packet mode (1 packet every 5 minutes with the $ULTW 
>> string, and it runs 2400 baud which I've set the KPC3+ to).
>
> I'd highly recommend using !! instead of $ULTW. The latter, as you  note, 
> sends one packet every 5 minutes. There is no synchronization  between 
> this and the transmission time. On average the data you send  will be 2.5 
> minutes old, with a worst-case of five minutes.
>
> Steve K4HG
>
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> aprssig at lists.tapr.org
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