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* [[RelatedSystems|Related Systems]]
 
* [[RelatedSystems|Related Systems]]
 
* [[ToCall|ToCall Strings]]
 
* [[ToCall|ToCall Strings]]
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* [[Symbol configuration]]
  
 
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* [[Glossary]]
 
* [[Glossary]]
 
* [[Organizations]]
 
* [[Organizations]]
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* [http://www.aprs.org/txt/aprs-arrl-coords.txt Regional Coordinators]
 
* [[Satellites]]
 
* [[Satellites]]
 
* [[History]]
 
* [[History]]
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== Automatic Packet Reporting System ==
 
== Automatic Packet Reporting System ==
  
Also mistakenly known as Automatic Position Reporting System, APRS is an amateur radio based digital communications system for local, regional, or long-distance (as in the case of HF APRS) tactical, real-time exchange of information among all members of a net, including map based displays for situational awareness.  It was developed by Bob Bruninga, [[http://www.qrz.com/wb4apr WB4APR]], who currently works at the United States Naval Academy.
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Originally known as "Automatic Position Reporting System" but renamed by its creator, APRS is an amateur radio based digital communications system for local, regional, or long-distance (as in the case of HF APRS) tactical, real-time exchange of information among all members of a net, including map based displays for situational awareness.  It was developed by [[Bob Bruninga]] ([[WB4APR]]), who currently works at the United States Naval Academy.  He maintains the main [[http://www.aprs.org APRS web page]].
  
 
=== Capabilities ===
 
=== Capabilities ===
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*[[http://www.ui-view.org UI-View]] Official UI-View32 Web Site
 
*[[http://www.ui-view.org UI-View]] Official UI-View32 Web Site
 
*[[http://www.aprstv.com APRSTV]] APRS related video podcast.
 
*[[http://www.aprstv.com APRSTV]] APRS related video podcast.
*[[http://www.aprs.org/ WB4APR web site]] - old site was [http://www.ew.usna.edu/~bruninga/aprs.html www.ew.usna.edu/~bruninga/aprs.html]
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*[[http://www.aprs.org/ WB4APR web site]]
 
*[[http://www.findu.com www.findu.com]] Web-based access to worldwide APRS real-time data
 
*[[http://www.findu.com www.findu.com]] Web-based access to worldwide APRS real-time data
 
*[[http://www.openaprs.net OpenAPRS]] Web-based APRS real-time data using Google Earth Maps
 
*[[http://www.openaprs.net OpenAPRS]] Web-based APRS real-time data using Google Earth Maps
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*[[http://www.APRSworld.net APRS World]] Open Source web-based APRS database
 
*[[http://www.APRSworld.net APRS World]] Open Source web-based APRS database
 
*[[http://www.tapr.org/aprs_working_group.html APRS Specification]] Official APRS specification document
 
*[[http://www.tapr.org/aprs_working_group.html APRS Specification]] Official APRS specification document
*[[http://www.nwaprs.info Pacific Northwest APRS Homepage]] - [[http://wiki.ampr2.net/nwaprs/ NWAPRS alternate Wiki]]
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*[[http://www.nwaprs.info Pacific Northwest APRS Homepage]]
 
*[[http://www.wulfden.org/APRSQuery.shtml APRS Query Page]] N1BQ's HTML Forms based front end to the FINDU database
 
*[[http://www.wulfden.org/APRSQuery.shtml APRS Query Page]] N1BQ's HTML Forms based front end to the FINDU database
 
*[[http://www.cwop.net www.cwop.net]] APRSWXNET/Citizen Weather Observer Program (CWOP)
 
*[[http://www.cwop.net www.cwop.net]] APRSWXNET/Citizen Weather Observer Program (CWOP)
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*[[http://www.jfindu.net/ JFindu.net]] Web-based access to worldwide APRS real-time data.
 
*[[http://www.jfindu.net/ JFindu.net]] Web-based access to worldwide APRS real-time data.
 
*[[http://aprsearch.net/ APRS Search]] An APRS Search Engine.
 
*[[http://aprsearch.net/ APRS Search]] An APRS Search Engine.
*[[http://www.db0anf.de/hamweb/aprsdb/ DB0ANF]] APRS-IS Data Base Lookup Server shows individual stats on any given call sign.
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*[[http://www.db0anf.de/app/aprs/ DB0ANF]] APRS-IS Data Base Lookup Server shows individual stats on any given call sign.
 
*[[http://www.nashvilleaprs.net/apps/phgcalc.php PHG Calc]] Online PHG (Power Height Gain) Calculator.
 
*[[http://www.nashvilleaprs.net/apps/phgcalc.php PHG Calc]] Online PHG (Power Height Gain) Calculator.
 
*[[http://www.aprs2.net/ Tier 2 Network]] Tier 2 APRS-IS Servers Group
 
*[[http://www.aprs2.net/ Tier 2 Network]] Tier 2 APRS-IS Servers Group
 
*[[http://www.aprs.com.ar APRS Argentina ]] Argentinian APRS Group (Spanish)
 
*[[http://www.aprs.com.ar APRS Argentina ]] Argentinian APRS Group (Spanish)
 
*[[http://ar.groups.yahoo.com/group/LU-APRS/ LU-APRS]] APRS Argentina Forum (Spanish)
 
*[[http://ar.groups.yahoo.com/group/LU-APRS/ LU-APRS]] APRS Argentina Forum (Spanish)
*[[http://lu5agq.dyndns.org/buscat/ Busca-T]] Google Maps powered APRS stations search engine (Spanish)
 
 
*[[http://www.aprs.com.ar/mirate/intro.html Mira-T]] javAPRS powered APRS stations search engine (Spanish)
 
*[[http://www.aprs.com.ar/mirate/intro.html Mira-T]] javAPRS powered APRS stations search engine (Spanish)
 
*[[http://www.aprs.net.au APRS Australia]] Australian APRS Web Site, References  
 
*[[http://www.aprs.net.au APRS Australia]] Australian APRS Web Site, References  
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*[[http://www.ohioaprs.net OhioAPRS]] Northeast Ohio APRS
 
*[[http://www.ohioaprs.net OhioAPRS]] Northeast Ohio APRS
 
*[[http://www.findu.com/cgi-bin/emergency.cgi Emergency Beacons]] Help those that need help, even those that test.
 
*[[http://www.findu.com/cgi-bin/emergency.cgi Emergency Beacons]] Help those that need help, even those that test.
*[[http://core.aprs.net Core APRS Servers]] Information about the core APRS-IS Servers
 
 
*[[http://www.aprsfl.net APRSfl]] Details & Stats on West Central Florida APRS, UI-View Webserver Lookups, our Tier 2 APRS-IS Server.
 
*[[http://www.aprsfl.net APRSfl]] Details & Stats on West Central Florida APRS, UI-View Webserver Lookups, our Tier 2 APRS-IS Server.
 
*[[http://www.w8kvk.com/aprs OhioAPRS]] Southeast Ohio APRS Development
 
*[[http://www.w8kvk.com/aprs OhioAPRS]] Southeast Ohio APRS Development
 
*[[http://japrsx.com JAPRSX]] JapanAPRSeXperiment, Web & BBS for Beginners.(Japanese)
 
*[[http://japrsx.com JAPRSX]] JapanAPRSeXperiment, Web & BBS for Beginners.(Japanese)
 
*[[http://aprs.qrz.ru/ APRS.qrz.ru]] APRS in Russia
 
*[[http://aprs.qrz.ru/ APRS.qrz.ru]] APRS in Russia
*[[http://www.bcwireless.net/aprs/ BC Wireless APRS]] BC Wireless APRS services, including WebAPRS, BCCHAT reflector and services and experiments.
 
*[[http://kb2hsh.blogspot.com/2008/01/what-does-that-ap-code-mean.html]] KB2HSH's website with AP Codes Explained.
 

Latest revision as of 07:37, 9 May 2012

APRS Logo

Contents

[edit] Topics

[edit] Automatic Packet Reporting System

Originally known as "Automatic Position Reporting System" but renamed by its creator, APRS is an amateur radio based digital communications system for local, regional, or long-distance (as in the case of HF APRS) tactical, real-time exchange of information among all members of a net, including map based displays for situational awareness. It was developed by Bob Bruninga (WB4APR), who currently works at the United States Naval Academy. He maintains the main [APRS web page].

[edit] Capabilities

APRS is used to transmit real-time information such as messages, bulletins, announcements and the locations of any stations or objects via amateur packet radio protocols. Real-time reporting of station position for mobiles is facilitated using the Global Positioning System. APRS is capable of transmitting a wide variety of data including weather reports, short text messages, radio direction finding bearings, telemetry data, and storm forecasts. These reports can be combined with a computer and mapping software to show the transmitted data superimposed on a variety of map displays.

[edit] Technical Information

In its most widely-used form APRS is transported over the air using the AX.25 protocol at 1200 baud Bell 202 audio frequency-shift keying on frequencies located in the amateur 2-meter band (see Frequencies). An extensive digital repeater, or digipeater network provides transport for APRS packets on these frequencies. Internet gateway stations (IGates) connect the on-air APRS network to the APRS Internet System (APRS-IS), which serves as a worldwide, high-bandwidth backbone for APRS data. Stations can tap into this stream directly. Databases connected to the APRS-IS allow web-based access to the data as well as more advanced data mining capabilities. A number of LEOs (low-earth orbiting satellites) and the International Space Station are also capable of relaying APRS data.

[edit] External links

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