1. Packet Radio is NOT Dead 3 Applications Used Today
Mike Swiatkowski, AA9VI
Don Whiteman, KK9H
Mark Klocksin, WA9IVH
North Shore Radio Club Monthly Program
May 2011

2. APRS
Automatic Packet Reporting System active on nationwide MHz. EU/Australia active on different freqs.
Supports text messaging (mobile-base, base-mobile, base-base), weather station reporting, local repeater “directory,” and vehicle location
Hybrid VHF and internet system. Many VHF radios connected to internet.
Real time traffic times!
2m DX Beacon too!

3. What is a Digipeater?
Similar to a voice repeater, but repeats data packets.
High up, generally > 25W.
Simplex operation. Repeats a time delayed packet on same frequency.
Specify how many times you want packet repeated. Each time repeated it decrements # repeat tag in packet.

4. Digipeater Animation

5. APRS.FI Website Digipeater Winlink Weather Android/iPhone Vehicle Home
Satellite Station
Local Repeater
Echolink Node

6. APRS Mobile Connection
Motorola M1225 is small and makes a great APRS radio. All 4 signals and 12 V on rear accy. plug. to power TT4
(25W good enough, APRS via WIDE2-1 for Chicago WIDE3-3 outside metro areas… some people even use a 5W HT!)
PTT
GND
TX Audio
RX Audio and 12VDC
Byonics.org
Byonics TT4
Byonics GPS 2

7. Another APRS Mobile Configuration
Yaesu FTM-350, Kenwood TM-D710A
(TNC inside radio allows for
Text messaging from mic)
Plenty of
aprs.org

8. Home WX APRS Connection
home.comcast.net/~dshelms/cwop.html
Leave out weather
If just basic home station
(WIDE2-2)
PTT
GND
TX Audio
RX Audio
Internet

9. UI-View (Windows- Free)
The most popular APRS program.
Win7- install on C:\
Free maps using PA7RHM plug-in seen here
Ui-view.org

10. 2m Satellite Digipeaters, Too!
International Space Station MHz use APRS via ARISS path
You can be an internet gateway
Send VHF RF packet messages to people across the continent via a satellite.
Other satellites for packet: AO-51, CO-55, GO-32. Orbitron free, easy to use prediction program.

11. Xastir (Linux and Mac, Free!)
xastir.org
Free Open Street Maps
Very similar to UI-View

12. MHz (IL/WI)
Similar hardware config to APRS
Send short s
over RF or internet
Supports attachments
Useful for marathons?
Rosters? Status?

13. Winlink RMS Express (free!)

14. Winlink RMS Express (easy!)

15. Sending/Receiving Email
See Demo

16. Help for Beginners ChicagolandSkywarn.org, Click on APRS and CWOP
Click on Instructions for Configuring your own station
ns9rc.org
Click on Winlink Packet Radio
Credits: aprs.org, winlink.org