APRS

Automatic Position Reporting System

Automatic Packet Reporting System

Definition: A packet radio application for tracking real-time events by graphically displaying information on maps displayed on the user's computer screen.

Software Available for APRS

APRSDos                                            DOS

MacAPRS                                            Macintosh

WinAPRS                                            Windows

javAPRS

paImAPRS                                          uses Palm III Organizer

XAPRS                                                  Linux

Xastir                                                    Linux

Windows CE

UI -- View

APRS Plus (APRS+)              uses DeLorme Street Atlas for maps

Software available for download from: www.tapr.org click on "Latest APRS Software"

Go to "Software" and download software of your choice.

APRSDos can run on an old computer that has 8088 processors and as little RAM as 640 Kb.

Publications available on APRS:

· Getting On Track with APRS; ARRL Publication, 1996

· APRS Tracks, Maps and Mobiles; ARRL Publication, 1999

Frequencies in Use:

2 meters             144.39             USA/Canada/Most of Europe

                           145.825           PCsat APRS satellite at 1200 baud up and down

Space Station   145.800 downlink 

        (ISS)           145.990 uplink

70 cm                 445.925

HF

            30 meters         10.151 LSB most commonly used

            20 meters         14.103 LSB

            17 meters         18.107 LSB

A GPS Receiver is not required and does not have to be hooked up for a home(QTH) or a fixed station, all that is required is your known position (Latitude/Longitude) which can be found on DeLorme Street Atlas, DeLorme Topo State maps, any USGS Topo map, or by someone with a GPS receiver!

Internet Sites:
WB4APR	http://www.ew.usna.edu/bruninga/aprs.html
Northwest APRS	http://nwaprs.org
Kansas City APRS	http://www.kcaprs.org
Northern Illinois APRS	http://nian.aprs.net

Internet Sites Regarding the PCsat APRS satellite:

PCsat WEB  page	http://www.ew.usna.edu/~bruninga/pcsat.html
ISS-APRS FAQ	http://www.ew.usna.edu/~bruninga/iss-faq.html
APRS LIVE pages	http://www.ew.usna.edu/~bruninga/aprs.html
APRS SATELLITES	http://www.ew.usna.edu/~bruninga/astars.html

Live APRS Activity on Internet

http://www.aprs.net

This is live APRS activity in North America or you can specify a Region you wish to view, this takes awhile to load so be patient.

http://www.findu.com/cgi-bin/find.cgi?

This site gives you 3 views of a stations location and a few other options. Remember to end this url with the station you want to view callsign. i.e.http://www.findu.com/cgi-bin/find.cgi?K5BDL-8

New Hardware for APRS

Kenwood TH-D7A	2m/440 MHz handheld radio with built-in 1200/9600 tnc, built-in APRS software, can send messages and view other APRS stations.
Kenwood TM-D7OOA/TM-D710A	2m/440 MHz mobile radio with built-in 1200/9600 tnc, built-in APRS software, built-in 9pin D connector to connect to computer.

APRS Stations in the Jacksonville, TX area

K5BDL	Brad Low (K5BDL-8)
AC5DI	Jack Coleman
W5PFG	Clayton Coleman
KB5LS	Lufkin, TX	I-Gate

If you have questions about APRS or how to set up an APRS station we can be reached at the following e-mail address:

AC5DI          Jack Coleman email:    [email protected]

Hope to see you on APRS soon!