APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRS on the Internet APRS-IS and the Services Provided via APRS-IS

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRS-IS APRS Internet Service Links individual RF networks world-wide Processes over 2,000,000 distinct packets per day Facilitates world-wide messaging Non-intrusive to RF APRS user

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRS-IS

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Inherent Services World-wide APRS Messaging –No path knowledge required World-wide visibility –Everyone can see everything Special purpose subnets –FireNet

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved javAPRSFilter Ports Clients don’t have to drink from the fire hose See only what you want to see Reduces workload on servers Normally port on javAPRSSrvr servers (all aprs.net and aprs2.net servers)

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Database Services Monitor APRS-IS data stream and populate database(s) with the data seen 3 “primary” databases: – –aprsworld.net –

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved findU Run by Steve Dimse K4HG Accessible via CGI applications Uses Google maps for station location display Uses NWS radar maps for weather display Station “logs” and weather charting available Used by NWS for Citizens Weather collection

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRSWorld Run by James Jefferson Jarvis KB0THN Self-generated maps Form interface

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved jFindU Run by Peter Loveall AE5PL Uses Java to provide live mapping Uses MapPoint.NET maps Uses NWS radar gifs for radar maps Uses form input Has mobile version for hand-held devices

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Other Databases Most other APRS database web sites are actually prettied up user interfaces for findU Some use javAPRSDB to populate the database Some use Perl to populate the database Some have “rolled their own”

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Callsign Lookup APRS+SA messaging access to QRZ.com –Some APRS+SA stations allow QRZ lookups using l, w, and n commands javAPRSQRZ messaging access to QRZ.com –WHO-IS implements f and w commands (w assumed if no command available)

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved – Station run by the Sprouls –Send a message to with the address as the first “word” in the message AE5PL-EM – Station run by Peter Loveall AE5PL –Same as for simple messaging –Allows for “nicknames” –Allows for to APRS operation

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRS+SA –Some stations support the em command –Can be made bidirectional by the sysop javAPRS –APRS-EM uses this –Some other sysops have also implemented it

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved APRSLink –APRS/Winlink interface –Designed for EMERGENCY use only –Can cause significant RF congestion due to multiline aspects

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Weather Alerts WXSVR issues weather objects and messages nationwide Individual warnings can be fingered at Weather objects and messages can be gated to RF

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved D-PRS D-STAR/APRS Gateway D-STAR trackers show up on APRS-IS APRS clients connected to D-STAR radios have full connectivity with the rest of the APRS world

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Special Objects Winlink Telpac stations Echolink links and repeaters IRLP repeaters FireNet Objects

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved FireNet Part of APRS-IS plus… Special weather objects Special event objects such as earthquakes Experimental objects

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Citizens Weather Uses APRS-IS for weather station reporting via APRS weather packets Non-hams and hams submit packets NWS sponsored findU database serves as collection point

APRS is a registered trademark Bob Bruninga, WB4APR Copyright © 2006 – Pete Loveall AE5PL All Rights Reserved Q&A Pete Loveall AE5PL – – –