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
APRS Automatic Packet Reporting System active on nationwide 144.39 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!
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.
Digipeater Animation
APRS.FI Website Digipeater Winlink Weather Android/iPhone Vehicle Home Satellite Station Local Repeater Echolink Node
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
Another APRS Mobile Configuration Yaesu FTM-350, Kenwood TM-D710A (TNC inside radio allows for Text messaging from mic) Plenty of info. @ aprs.org
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
UI-View (Windows- Free) The most popular APRS program. Win7- install on C:\ Free maps using PA7RHM plug-in seen here Ui-view.org
2m Satellite Digipeaters, Too! International Space Station 145.825MHz use APRS via ARISS path You can be an internet gateway Send VHF RF packet messages to people across the continent via a satellite. http://www.ariss.net/ Other satellites for packet: AO-51, CO-55, GO-32. Orbitron free, easy to use prediction program.
Xastir (Linux and Mac, Free!) xastir.org Free Open Street Maps Very similar to UI-View
145.61 MHz (IL/WI) Similar hardware config to APRS Send short emails over RF or internet Supports attachments Useful for marathons? Rosters? Status?
Winlink RMS Express (free!)
Winlink RMS Express (easy!)
Sending/Receiving Email See Demo
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