[aprssig] KPC3+ induced errors

Kent Hufford khufford at atlanticbb.net
Tue Mar 15 18:04:38 EDT 2011

If you Google this issue, for many years you will see a response from
Kantronics that this

is the first time anyone has brought this to their attention. <sic>






>>> From: service at kantronics.com
<http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir>  [mailto:service
at kantronics.com <http://lists.xastir.org/cgi-bin/mailman/listinfo/xastir>

>>> Sent: Monday, July 13, 2009 10:39 AM

>>> To: dave at mynatt.biz

>>> Subject: Re: KPC-3 and ICOM-471A


>>> Dave:


>>> To my knowledge, no one has reported any type of "timing" issue in  

>>> the APRS functions, to anyone here at Kantronics.


>>> Can you provide more detail?  Do you know the specific version of  

>>> firmware in the KPC that seems to have a timing problem? Where can  

>>> I see the Blog posting, and what date was it posted?


>>> We can't fix a problem if we don't know there is a problem.


>>> For some time, our service department has only one technician (me)  

>>> to answer technical questions by phone, email, and otherwise. I  

>>> also do product testing and repair. There are times when I may be  

>>> away from my desk, or on another phone call (or just off duty) and  

>>> may not be able to pick a ringing line.


>>> We strive to answer all received email in a timely manner. Messages 

>>>  sent direct to individuals in the company may not be received  

>>> (several of those persons are no longer with the company). Our  

>>> posted email addresses for Sales and Service, are still valid.


>>> We have discontinued most support for old model TNCs (several years 

>>>  ago). I can answer operational and technical questions about older 

>>>  models, but repair service and updates are no longer available for 

>>>  old units.


>>> Ken

>>> Kantronics Technical Service



From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Max Harper
Sent: Tuesday, March 15, 2011 5:18 PM
To: aprssig
Subject: [aprssig] KPC3+ induced errors


This is the response that I just received back for Kantronics. I must have
been the only one to email them about this problem recently. Come on guys,
if you really what this problem fixed then you must let them know just how
bad this problems is. Send any information you have to

service at kantronics.com even if it is just to say that you are experencing
the delay problem but don't have any other info. I am just one voice here. I
could not answer their question about transmitting and receiving or just







I have forwarded a copy of your message to our code programmer, when I
received your message last week. I have not heard back from him as yet.

No one has reported having any problems in KISS mode in the KPC-3 Plus,
anytime recently (in the last few years).

Are the KPCs used in KISS mode only receiving, or both transmitting and

Kantronics Technical Service


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