Automatic Packet Reporting System (APRS)

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Automatic Packet Reporting System (APRSAutomatic Packet Reporting System, an amateur radio-based system for real time tactical digital communications of information of immediate value in the local area)
APRS.jpg
Frequencies 144.390 MHzMegaHertz (MHz) 10^6 Hz144,390,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
144,390 kHzKiloHertz (kHz) 10^3 Hz
,145.570 MHzMegaHertz (MHz) 10^6 Hz145,570,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
145,570 kHzKiloHertz (kHz) 10^3 Hz
144,390 kHzKiloHertz (kHz) 10^3 Hz
144.39 MHzMegaHertz (MHz) 10^6 Hz
145,570 kHzKiloHertz (kHz) 10^3 Hz
145.57 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 144.39 MHzMegaHertz (MHz) 10^6 Hz144,390,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
144,390 kHzKiloHertz (kHz) 10^3 Hz
- 145.57 MHzMegaHertz (MHz) 10^6 Hz145,570,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
145,570 kHzKiloHertz (kHz) 10^3 Hz
Mode NFMNarrowband Frequency Modulation
Modulation AFSKAudio Frequency-Shift Keying
ACF
Bandwidth 10000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
Location Worldwide
Short Description Packet system for real time data communications. Used by hams for location reporting, weather stations etc.
I/Q Raw Recording Download file
Audio Sample

Packet system for real time data communications. Used by hams for location reporting, weather stations etc. APRSAutomatic Packet Reporting System, an amateur radio-based system for real time tactical digital communications of information of immediate value in the local area is transported over the AX.25 protocol using 1200 bit/sBits per second (bps) Bell 202 AFSKAudio Frequency-Shift Keying on frequencies located within the 2 meter amateur band.


Frequencies[edit]

  • 144.390 MHzMegaHertz (MHz) 10^6 Hz – Colombia, Chile, Indonesia, Malaysia, North America, Thailand
  • 144.575 MHzMegaHertz (MHz) 10^6 Hz – New Zealand
  • 144.660 MHzMegaHertz (MHz) 10^6 Hz – Japan
  • 144.800 MHzMegaHertz (MHz) 10^6 Hz – South Africa, Europe, Russia
  • 144.930 MHzMegaHertz (MHz) 10^6 Hz – Argentina, Uruguay
  • 145.175 MHzMegaHertz (MHz) 10^6 Hz – Australia
  • 145.570 MHzMegaHertz (MHz) 10^6 Hz – Brazil

Decoding Software[edit]

Decoding Tutorials[edit]

Video Examples[edit]

Additional Links[edit]

Additional Images[edit]