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APRS
Automatic
Position Reporting System
Automatic Packet
Reporting System
Used by permission of
Bob
Bruninga -- WB4APR.
Revised from
information handed out at
the GHRC Ham Fest, October 13, 2001.
Thanks Bob for your
permission and suggestions.
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:
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Getting
On Track with APRS; ARRL Publication, 1996
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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 Regarding the PCsat
APRS satellite:
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.
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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?KI0BJ
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New Hardware
for APRS
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Kenwood TH-D7A
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2m/440 MHz handheld radio with
built-in 1200/9600 tnc, built-in APRS software, can send messages and view
other APRS stations.
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Kenwood TM-D7OOA |
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 Montana, Northern
Wyoming
| KI0BJ |
Yellowtail, MT (Ft Smith) |
Gateway, Trackers, Portable Station |
| K7MT |
Helena, MT |
I-Gate, Trackers, Digi, Portable Station |
| AC7DE |
Helena, MT |
Fixed Station |
| KC7VCY |
Helena, MT |
Fixed Station |
| BZNLAN |
Bozeman, MT |
Fixed Station at High Flats |
| KD7MFJ- 11 |
Bozeman, MT |
High Altitude Balloon -- MSU Physics Dept. |
| N7VMR-1O |
Billings, MT |
Digi |
| N7VMR- 1 |
Billings, MT |
I-Gate |
| K7ETT |
Billings, MT |
Fixed Station |
| K7LEW |
Billings, MT |
Fixed Station |
| KC7QBR |
Billings, MT |
Tracker |
| N8BMA |
Sheridan, WY |
I-Gate, Trackers |
| KC7ZRU |
Casper, WY |
I-Gate, Tracker |
We are always looking for future Digipeater sites, If you know of a good site
with the name/e-mail address/telephone number of a contact person, PLEASE let us
know!
If you have questions about APRS or how to set up an APRS station we can be
reached at the following e-mail addresses:
KIOBJ
Rex
Blaine email:
jblaine@nemontel.net
K7MT
Bill Erhardt email:
erhardt@mt.net
Hope to see you on APRS soon!
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