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Kantronics KPC-3+ Settings PDF Print E-mail
Written by Jeff Wigal, WY7Q   
Tuesday, 21 September 2004
Jeff Wigal, WY7Q

"Dumb" Tracker

I call this "dumb tracker" mode... when a GPS is plugged into the radio port, it will transmit raw GPS position packets every 90 seconds. When the GPS is unplugged, it continues to transmit position, but only every 20 minutes.

The Beacon Text (BT) is transmitted every 30 minutes. The text after the ">" is the text that will appear on APRS clients.

The GPSLV is the symbol for "pickup truck" and will appear on APRS client screens. To change the symbol, find the symbol you are looking for on Bob Bruninga's file SYMBOLS.TXT

GPSPORT 4800 NORMAL CHECKSUM 
INTFACE TERMINAL 
ABAUD 4800
BEACON E 30
BLT 1 E 00:01:30 START 00:01:00 CLEAR
BLT 2 E 00:20:00 START 00:02:00
BLT 3 E 00:00:00
BLT 4 E 00:00:00
BT >
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CD SOFTWARE
CMSG DISC
GPSHEAD 1 $GPRMC
GPSHEAD 2 $GPGGA
HEADERLN OFF
UNPROTO APRS V RELAY,WIDE2-2
LTP 1 GPSLV VIA RELAY,WIDE2-2
LTP 2 GPSLV VIA RELAY,WIDE2-2
MYALIAS NONE 
MYCALL WY7Q-9

Home Station Beacon/Relay

This is my basic setup for my home station. This will setup the TNC to digipeat RELAY packets, and will also vary outgoing packets according to the schedule below.
MON OFF
ECHO ON
intface terminal
mycall WY7Q-1
LTP 1 APRS 
LTP 2 APRS VIA WIDE 
LTP 3 APRS VIA WIDE2-2 
LTP 4 APRS VIA WIDE3-3 
lt 1 =4308.35N/07736.64W-Jeff, Roch, NY
lt 2 =4308.35N/07736.64W-WY7Q at ARRL dotNET
lt 3 =4308.35N/07736.64W-www.monroecountyemcomm.org
lt 4 =4308.35N/07736.64W-www.monroecountyemcomm.org
BLT 1 EVERY 00:30:00 START 00:07:00 
BLT 2 EVERY 01:00:00 START 00:22:00 
BLT 3 EVERY 02:00:00 START 00:52:00 
BLT 4 EVERY 04:00:00 START 01:52:00 
HID OFF
myalias RELAY
This shows what the schedule below will look like on the air. The single star is a non-digipeated packet, which transmits LT message number 1 via LTP path number 1. The double star is digipeated via WIDE (LTP 2), and transmits my e-mail address. The triple star is digi'd via WIDE2-2 and transmits the website address. The 4-star digis via WIDE3-3.
12:07:00 PM *
12:22:00 PM **
12:37:00 PM *
12:52:00 PM ***
1:07:00 PM *
1:22:00 PM **
1:37:00 PM *
1:52:00 PM ****
2:07:00 PM *
2:22:00 PM **
2:37:00 PM *
2:52:00 PM ***
3:07:00 PM *
3:22:00 PM **
3:37:00 PM *
4:07:00 PM *
4:22:00 PM **
4:37:00 PM *
4:52:00 PM ***
5:07:00 PM *
5:22:00 PM **
5:37:00 PM *
5:52:00 PM ****

Portable/Temporary Digipeater

Here is the setup text that can be used to set up a temporary Wide-Relay-Trace digipeater. Unless you are truly in a location where you are a "wide" digipeater, stick to simply digipeating "relay" packets only.

The Kantronics KPC-3+ will support WIDEn-n digipeating, e.g. if your TNC receives a packet that says "WIDE3-3", it will re-transmit that packet, and automatically adjust the outgoing packet to WIDE3-2.

[start]
INTFACE TERMINAL
LTP 1 APRS 
LTP 2 APRS VIA WIDE 
LTP 3 APRS VIA WIDE2-2 
LTP 4 APRS VIA WIDE3-3 
lt 1 =4308.35N/07736.64W#Temporary Digi W-R-T 
lt 2 =4308.35N/07736.64W#Temporary Digi W-R-T
lt 3 =4308.35N/07736.64W#Temporary Digi W-R-T
lt 4 =4308.35N/07736.64W#Temporary Digi W-R-T
BLT 1 EVERY 00:10:00 START 00:00:00 
BLT 2 EVERY 00:20:00 START 00:05:00 
BLT 3 EVERY 00:40:00 START 00:15:00 
BLT 4 EVERY 01:20:00 START 00:35:00 
BTEXT Aprs digi on Blue Ridge, 26 miles east of Visalia @ 5726 ft.
UNPROTO APRS VIA WIDE
BEACON EVERY 20
UIDIGI ON WIDE,RELAY,TRACE,LOCAL
UIFLOOD WIDE,30,ID 
UITRACE TRACE,30
CTEXT not a node. for more info, email 
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CMSG DISC
ABAUD 4800
AX25L2V2 ON      
CD INTERNAL      
CONOK ON         
HID OFF          
DIGIPEAT ON  
MYALIAS MONROE 
MYCALL WY7Q  
RETRY 15 
TXDELAY 35  

[shutdown]
UIFLOOD DISABLED,30,NOID
UIDIGI OFF NONE
CTEXT %
MYALIAS NONE
LTP 1 APRS 
LTP 2 APRS VIA WIDE 
LTP 3 APRS VIA WIDE2-2 
LTP 4 APRS VIA WIDE3-3 
lt 1 =4308.35N/07736.64W-Jeff, Roch, NY
lt 2 =4308.35N/07736.64W-
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lt 3 =4308.35N/07736.64W-www.monroecountyemcomm.org
lt 4 =4308.35N/07736.64W-www.monroecountyemcomm.org
BLT 1 EVERY 00:20:00 START 00:00:00 
BLT 2 EVERY 00:40:00 START 00:10:00 
BLT 3 EVERY 01:20:00 START 00:30:00 
BLT 4 EVERY 02:40:00 START 00:70:00 
MYCALL WY7Q-1
 
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