<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>This is an on-going problem. I wish I could get the bottom of it also. I received a phone call that my mobile was seen on the display over 3 hours after I turned it off. I checked my home display and sure enough there it was saying it sent a pocition 45 minutes ago. That could not have happened because that unit is my work vehicle and I had the GPS unit for that mobile station sitting at my home in my shack. So the only explaination is that a delayed packet was roaming in the system....</div><div><br></div><div>Wierd? Yep but we've seen it often here in South Carolina with other packets too....</div><div><br></div><div>Ko4Lloyd</div><div> </div><div> </div><div>The nice thing about standards is that there are so many of them to choose from.</div><div>
-- Andrew S. Tanenbaum<br><br>
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-------- Original Message --------<br>
Subject: [aprssig] KPC-3+ KISS mode delayed packet issue?<br>
From: Tom Russo <russo@bogodyn.org><br>
Date: Fri, December 19, 2008 12:33 pm<br>
To: aprssig@tapr.org<br>
<br>
I seem to recall reading here some time back that there was some bug in <br>
the KPC-3+ in KISS mode that could cause it to screw up and hold packets<br>
for some reason.<br>
<br>
I'm seeing some very strange delayed packets in my local environment, and<br>
since I'm running a KPC-3+ in KISS mode I'm wondering if it's my fault.<br>
What it seems to be is that packets I am transmitting seem to be getting<br>
digipeated 10 minutes or more later. My logs show my transmitted packet<br>
going out to the TNC, then sometime soon after a digipeat of a much older <br>
packet coming back. My current guess is that my packets are being held at my <br>
TNC until my next transmission or something (this rings a bell about the KPC <br>
holding until a buffer is full or something like that). I want to fix it if <br>
that's what's going on.<br>
<br>
Could someone refresh my memory about:<br>
1) what the actual issue is that can cause KPC-3+ KISS-mode TNCs to hold<br>
off transmitting packets for as much as 10 minutes, if there is in fact<br>
such an issue<br>
2) The correct way to fix it (is it as simple as power-cycling the TNC?)<br>
3) The best way to avoid the problem in the first place, if it is in fact<br>
my system that's causing the delay.<br>
<br>
-- <br>
Tom Russo KM5VY SAR502 DM64ux <a target="_blank" href="http://www.swcp.com/~russo/" mce_href="http://www.swcp.com/~russo/">http://www.swcp.com/~russo/</a><br>
Tijeras, NM QRPL#1592 K2#398 SOC#236 <a target="_blank" href="http://kevan.org/brain.cgi?DDTNM" mce_href="http://kevan.org/brain.cgi?DDTNM">http://kevan.org/brain.cgi?DDTNM</a><br>
In some cultures what I do would be considered normal. <br>
-- Ineffective daily affirmation <br>
<br>
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