Automatic Identification System (AIS)

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Automatic Identification System (AIS)
AIS.jpg
Frequencies 161.975 MHzMegaHertz (MHz) 10^6 Hz161,975,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
161,975 kHzKiloHertz (kHz) 10^3 Hz
,162.025 MHzMegaHertz (MHz) 10^6 Hz162,025,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
162,025 kHzKiloHertz (kHz) 10^3 Hz
161,975 kHzKiloHertz (kHz) 10^3 Hz
161.975 MHzMegaHertz (MHz) 10^6 Hz
162,025 kHzKiloHertz (kHz) 10^3 Hz
162.025 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 161.975 MHzMegaHertz (MHz) 10^6 Hz161,975,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
161,975 kHzKiloHertz (kHz) 10^3 Hz
- 162.025 MHzMegaHertz (MHz) 10^6 Hz162,025,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
162,025 kHzKiloHertz (kHz) 10^3 Hz
Mode NFMNarrowband Frequency Modulation
Modulation GMSKGaussian Minimum-Shift Keying
ACFAutoCorrelation Function
Bandwidth 25000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).25 kHzKiloHertz (kHz) 10^3 Hz
0.025 MHzMegaHertz (MHz) 10^6 Hz
25 kHzKiloHertz (kHz) 10^3 Hz
0.025 MHzMegaHertz (MHz) 10^6 Hz
25 kHzKiloHertz (kHz) 10^3 Hz
0.025 MHzMegaHertz (MHz) 10^6 Hz
Location Worldwide
Short Description Automatic Identification System (AIS) is used by ships to broadcast position and vessel information.
I/Q Raw Recording Download file
Audio Sample
Automatic Identification System (AIS) is used by ships to broadcast position and vessel information. Uses 9.6 kbpsKilobits per second (kbps) GMSK modulation.


Frequencies[edit]

Primary Channel A - 161.975 MHzMegaHertz (MHz) 10^6 Hz

Primary Channel B - 162.025 MHzMegaHertz (MHz) 10^6 Hz

Decoding Software[edit]

Hobby Level Software

Decoding Tutorials[edit]

Video Examples[edit]

Additional Links[edit]

Additional Images[edit]