Radar

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Description[edit]

Radar signals are emissions from various radars, including aircraft radars, over the horizon radars, oceanic radars, and atmospheric radars.

Click the name of a signal to see more detailed information and additional sound and waterfall samples

Color Legend
Inactive
(No longer in use)
Active
(Currently in active use)
Status
Unknown or Intermittent
Signal Name Description Frequency Mode Modulation Bandwidth Location Sample Audio Waterfall image
"OTH-SW" OTH Radar The PRC OTHOver The Horizon (very long range)-SW over the horizon radar MHzMegaHertz (MHz) 10^6 Hz — 30 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FMCW 40 kHzKiloHertz (kHz) 10^3 Hz — 80 kHzKiloHertz (kHz) 10^3 Hz China PRC OTH SW Over the horizon radar.png
'Ghadir' OTH Radar 'Ghadir', is an Iranian over the horizon radar, part of Iran's Sepehr Phased Radar System. 28 MHzMegaHertz (MHz) 10^6 Hz — 29.7 MHzMegaHertz (MHz) 10^6 Hz AMAmplitude Modulation Pulse 60 kHzKiloHertz (kHz) 10^3 Hz — 1 MHzMegaHertz (MHz) 10^6 Hz Iran IranOTH.png
29B6 'Kontayner' OTH Radar 29B6, nicknamed 'Kontayner', is a Russian over the horizon radar. It is currently very active in Europe. 6.1 MHzMegaHertz (MHz) 10^6 Hz — 32 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FMOP 3.5 kHzKiloHertz (kHz) 10^3 Hz — 28 kHzKiloHertz (kHz) 10^3 Hz Russia Kontainer.png
CODAR CODAR (Coastal Ocean Dynamics Applications Radar) is used for near-surface ocean monitoring, such as waves and water current. 4.438 MHzMegaHertz (MHz) 10^6 Hz — 42.5 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) ILFM 50 kHzKiloHertz (kHz) 10^3 Hz Worldwide CODARthm.jpg
High Frequency Active Auroral Research Program (HAARP) HAARP is a ionospheric research program conducted at the HAARP Research Station at Gakona, Alaska. As of 2014 the HAARP program was shut down and the facility was given to The University of Alaska Fairbanks. As of winter of 2017, the university has reopened the facility and now makes occasional research campaigns. HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). AMAmplitude Modulation, CWContinuous Wave CWContinuous Wave, FMCW 100 kHzKiloHertz (kHz) 10^3 Hz United States Haarp.jpg
Ionosonde An Ionosonde (Also known as a chirpsounder or ionospheric sounder) is a radar that examines the Ionosphere and monitors HFHigh Frequency (3-30 MHz) propagation conditions by sweeping the HFHigh Frequency (3-30 MHz) band and receiving the echoes. MHzMegaHertz (MHz) 10^6 Hz — 40 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FMCW HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide Ionosonde2e.png
Jindalee Operational Radar Network (JORN) JORN is an Australian OTHR system that operates uniquely in that it's radar bursts include an intro tone before the burst. 8.992 MHzMegaHertz (MHz) 10^6 Hz — 22.95 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FMCW 10 kHzKiloHertz (kHz) 10^3 Hz Australia JORN.png
PLUTO II OTH Radar PLUTO II is an Over The Horizon Radar based at the UK's RAF Akrotiri base in Cyprus. PLUTO II is very active in Europe. MHzMegaHertz (MHz) 10^6 Hz — 38 MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FMCW 20 kHzKiloHertz (kHz) 10^3 Hz Cyprus PLUTO II.png