Glossary
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=== APRS Glossary === | === APRS Glossary === | ||
| − | * [[Main_Page|APRS]] | + | * [[Main_Page|'''APRS''']] - Automated Packet Reporting System |
| − | * [[InternetSystem|APRS-IS]] | + | * [[InternetSystem|'''APRS-IS''']] - APRS-Internet System |
| − | * digi | + | * '''digi''' - short for "[[Digipeater|digipeater]]" |
| − | * [[Digipeater|digipeater]] | + | * [[Digipeater|'''digipeater''']] - a "digital repeater," a radio transceiver (often mounted on a hill or mountain) which re-broadcasts the packets it receives over a wide area |
| − | * findu | + | * '''findu''' - a web site at [http://www.findu.com http://www.findu.com] which collects APRS data from APRS-IS and can answer queries on the database. Also, generically, the Internet aspect of APRS, though there are many other useful APRS sites |
| − | * gate | + | * '''gate''' - short for [[IGate]] |
| − | * [[GPS]] | + | * '''[[GPS]]''' - Global Positioning System. A //GPS receiver// uses signals from satellites to determine its position. For APRS use, the GPS receiver will then send the location information to a TNC for transmission by radio |
| − | * ham | + | * '''ham''' - a person who uses amateur radio. The origin of the nickname is obscure |
| − | * hop | + | * '''hop''' - when a [[Digipeater|digipeater]] repeats a packet, it's considered a "hop." If a second digi receives the packet from the first digi and retransmits it, that counts as a second hop |
| − | * [[IGate]] | + | * '''[[IGate]]''' - Internet Gateway, a radio and computer setup for receiving packet data via radio and sending those packets to the Internet (via [[InternetSystem|APRS-IS]]) |
| − | * packet | + | * '''packet''' - a bundle of data (like an APRS user's call sign and location, or a weather station's report on conditions) plus a path and other information, represented as a set of bytes in a computer or transmitted via radio as a series of rapidly-changing tones |
| − | * [[Paths|path]] | + | * [[Paths|'''path''']] - a specification of the path a packet should take through the [[Digipeater|digipeater]] system. Can be explicit (using the callsigns of the intended repeaters and the ultimate destination) or symbolic, like "WIDE2-2" which [[Digipeater|digipeaters]] will interpret to mean "repeat twice." |
| − | * [[TNC]] | + | * '''[[TNC]]''' - Terminal Node Controller. A device which can control a radio and transmit computer data (like a user's call sign and GPS position information) using a series of rapidly-changing tones |
| − | * [[VoiceAlert|Voice Alert]] is a way of setting up an APRS station to notify you if other active stations come into simplex voice range | + | * [[VoiceAlert|'''Voice Alert''']] - is a way of setting up an APRS station to notify you if other active stations come into simplex voice range |
Revision as of 10:52, 29 August 2009
APRS Glossary
- APRS - Automated Packet Reporting System
- APRS-IS - APRS-Internet System
- digi - short for "digipeater"
- digipeater - a "digital repeater," a radio transceiver (often mounted on a hill or mountain) which re-broadcasts the packets it receives over a wide area
- findu - a web site at http://www.findu.com which collects APRS data from APRS-IS and can answer queries on the database. Also, generically, the Internet aspect of APRS, though there are many other useful APRS sites
- gate - short for IGate
- GPS - Global Positioning System. A //GPS receiver// uses signals from satellites to determine its position. For APRS use, the GPS receiver will then send the location information to a TNC for transmission by radio
- ham - a person who uses amateur radio. The origin of the nickname is obscure
- hop - when a digipeater repeats a packet, it's considered a "hop." If a second digi receives the packet from the first digi and retransmits it, that counts as a second hop
- IGate - Internet Gateway, a radio and computer setup for receiving packet data via radio and sending those packets to the Internet (via APRS-IS)
- packet - a bundle of data (like an APRS user's call sign and location, or a weather station's report on conditions) plus a path and other information, represented as a set of bytes in a computer or transmitted via radio as a series of rapidly-changing tones
- path - a specification of the path a packet should take through the digipeater system. Can be explicit (using the callsigns of the intended repeaters and the ultimate destination) or symbolic, like "WIDE2-2" which digipeaters will interpret to mean "repeat twice."
- TNC - Terminal Node Controller. A device which can control a radio and transmit computer data (like a user's call sign and GPS position information) using a series of rapidly-changing tones
- Voice Alert - is a way of setting up an APRS station to notify you if other active stations come into simplex voice range
