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APRS (Automatic Packet Reporting System) is a means of transmitting and sharing data pertaining to the "situational awareness" of a local area with an emphasis on geographical location, by using amateur radio. Most commonly the data transmitted on this network are position reports for mobile amateur radio operators with GPS tracking, and home weather station reports. Here in south-central Indiana we follow the nationwide practice of using 144.390 MHz for APRS traffic.
In times of need, the APRS network can be used to organize and share data pertaining to a special event or emergency situation. For instance, here in Bloomington the APRS network is used to track riders and support personnel along the Hilly Hundred bike ride. APRS can also be used for text messaging to other APRS users, short emails, and much more.
By relaying APRS data to a network of servers on the Internet, APRS becomes a global network. This allows websites to work with the data, and amateurs can interact with the network without the need of a radio. One example is shown below, where you can see a current live view of objects picked up in the Bloomington area.
Here is a listing of K9IU objects that you may find on APRS:
|K9IU-10||Fill-in digipeater at 10th & the bypass|
|INDUNV||aka K9IU-12 Main WIDE digipeater, on top of the Indiana Memorial Union|
|K9IU-13||Status object for the 2m IRLP node 4031|
|K9IU-14||IGate, running at the main INDUNV digipeater site|