Mike Swiatkowski, AA9VIDon Whiteman, KK9H

Mark Klocksin, WA9IVH

North Shore Radio Club Monthly Program

May 2011

APRSAutomatic 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

Digipeater

Winlink

Weather

Android/iPhone

Vehicle

Home

Satellite Station

Local Repeater

Echolink Node

APRS Mobile Connection

Byonics GPS 2

PTT

GND

TX Audio

RX Audio and 12VDC

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!)

Byonics TT4

Byonics.org

Another APRS Mobile ConfigurationYaesu FTM-350, Kenwood TM-D710A

(TNC inside radio allows for

Text messaging from mic)

Plenty of info. @

aprs.org

Home WX APRS Connection

Internet PTT

GND

TX Audio

RX Audio

home.comcast.net/~dshelms/cwop.html

Leave out weather

If just basic home station

(WIDE2-2)

Ui-view.org

The most popular APRS program.

Win7- install on C:\

Free maps using PA7RHM plug-in seen here

• 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.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

stationns9rc.org Click on Winlink Packet RadioCredits: aprs.org, winlink.org