453.375 MHzMegaHertz (MHz) 10^6 Hz453,375,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). 453,375 kHzKiloHertz (kHz) 10^3 Hz453,375 kHzKiloHertz (kHz) 10^3 Hz 453.375 MHzMegaHertz (MHz) 10^6 Hz453,375 kHzKiloHertz (kHz) 10^3 Hz 453.375 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range
453.375 MHzMegaHertz (MHz) 10^6 Hz453,375,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). 453,375 kHzKiloHertz (kHz) 10^3 Hz - 453.375 MHzMegaHertz (MHz) 10^6 Hz453,375,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). 453,375 kHzKiloHertz (kHz) 10^3 Hz
Mode
NFMNarrowband Frequency Modulation
Modulation
FSKFrequency-Shift Keying
ACFAutoCorrelation Function
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Bandwidth
5 kHzKiloHertz (kHz) 10^3 Hz5,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). 0.005 MHzMegaHertz (MHz) 10^6 Hz5 kHzKiloHertz (kHz) 10^3 Hz 0.005 MHzMegaHertz (MHz) 10^6 Hz5 kHzKiloHertz (kHz) 10^3 Hz 0.005 MHzMegaHertz (MHz) 10^6 Hz
Location
Worldwide
Short Description
Low speed FSKFrequency-Shift Keying telemetry to monitor and control warning sirens that are used to warn the public of threats such as tsunamis, severe weather, chemical spills and civil emergencies.
I/Q Raw Recording
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Audio Sample
Low speed FSKFrequency-Shift Keying telemetry to monitor and control warning sirens that are used to warn the public of threats such as tsunamis, severe weather, chemical spills and civil emergencies.
Compulert was developed by Alerting Communicators of America (ACA), now named American Signal Corporation (ASC). It is a SCADA-based proprietary FSKFrequency-Shift Keying protocol used to manage and monitor warning sirens in an area.