Military

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Description[edit]

These are signals that are operated by or are associated with military operations and agencies around the world. Examples include Over the Horizon Radars, STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). data links, military modem and transceiver modes, encrypted radio teletype and encrypted voice.


Click the name of a signal to see more detailed information, possible decoding, 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
ARQ-E(E3) ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, also known as ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000 Duplex or ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000D, is a synchronous full-duplex ARQAutomatic Repeat reQuestAutomatic Repeat Query system. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 is a variant that uses a different alphabet encoding. Mainly used by French Military Forces. Stations commonly idled for hours on end. 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) FSKFrequency-Shift Keying 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 850 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide ARQE3192Bd.png
ARQ-N ARQAutomatic Repeat reQuestAutomatic Repeat Query-N is a synchronous dual channel ARQAutomatic Repeat reQuestAutomatic Repeat Query mode identical to ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, with the only difference being that ARQAutomatic Repeat reQuestAutomatic Repeat Query-N has no symbol inversions. Formerly used by Italian Diplomatic services. 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) FSKFrequency-Shift Keying 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 850 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide ARQ-N.jpg
Automatic Link Establishment (2G ALE) Automatic Link Establishment, 2G ALEAutomatic Link Establishment (Official designation MIL-STD-188-141A and/or MIL-STD-188-141B (Appendix A)) is the current standardized method of establishing connections between radio operators. Also known as FED-STD 1045, FED-STD 1049, and STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 5066. 3.068 MHzMegaHertz (MHz) 10^6 Hz — 28.313 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) MFSKMultiple Frequency Shift-Keying kHzKiloHertz (kHz) 10^3 Hz Worldwide ALE2G.jpg
Automatic Link Establishment (3G ALE ARCS) 3G ALEAutomatic Link Establishment (ARCSAutomatic Radio Control System) is the next generation of ALEAutomatic Link Establishment (Designated by MIL-STD-188-141B (Appendix C)). Also known as STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4538, although MIL 188-141 does not provide Fast LSU. 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) PSKPhase-Shift Keying kHzKiloHertz (kHz) 10^3 Hz Worldwide 3Gale.jpg
BR-6028 BR-6028 is a VFTVoice Frequency Telegraphy (Voice Frequency Telegraph) frequency and time diversity modem using 7 data channels. It is sometimes also known as BARRIE, USA-7, or 6028. 5.75 MHzMegaHertz (MHz) 10^6 Hz — 15.937 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) FSKFrequency-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Worldwide BR-6028 RTTY.jpg
CIS 3x100 VFT Three CISCommonwealth of Independent States (CIS), the former Soviet Republic-14 signals overlaid on top of each other in a 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). VFTVoice Frequency Telegraphy bandwidth, operating at 100 bdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. 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) FSKFrequency-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Russia CIS3x100bd.jpg
CIS 3x144 VFT Three 144 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. FSKFrequency-Shift Keying signals in a 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). VFTVoice Frequency Telegraphy bandwidth. Reportedly phased out. 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) FSKFrequency-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Russia CIS3x144bdtfc.jpg
CIS 3xBaudot-50 VFT Three 50 bdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. Baudot signals in a 3100 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). VFTVoice Frequency Telegraphy bandwidth. 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) FSKFrequency-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Russia 284px-CIS3xbaudot50bd.jpg
CIS MFSK-68 New Russian MFSKMultiple Frequency Shift-Keying Modem that uses 68 MFSKMultiple Frequency Shift-Keying (5 tones at a time) as well as a 9000 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. 8-PSK8-Phase Phase-Shift Keying (3 bits per symbol) insert every second which spans 10 kHzKiloHertz (kHz) 10^3 Hz wide. This signal is often found attributed with CISCommonwealth of Independent States (CIS), the former Soviet Republic-3000, where CISCommonwealth of Independent States (CIS), the former Soviet Republic-3000 acts as the ALEAutomatic Link Establishment for this signal as well as CISCommonwealth of Independent States (CIS), the former Soviet Republic-128. 7.659 MHzMegaHertz (MHz) 10^6 Hz — 18.28 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) MFSKMultiple Frequency Shift-Keying, PSKPhase-Shift Keying 10 kHzKiloHertz (kHz) 10^3 Hz Russia CIS MFSK-68.jpg
CIS OFDM HDR Modem Russian OFDMOrthogonal Frequency-Division Multiplexing HDR (High Data Rate) Modem. Has three main modes: CISCommonwealth of Independent States (CIS), the former Soviet Republic-45, CISCommonwealth of Independent States (CIS), the former Soviet Republic-60, and CISCommonwealth of Independent States (CIS), the former Soviet Republic-93, corresponding to the number of OFDMOrthogonal Frequency-Division Multiplexing tones in the signal. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.8 kHzKiloHertz (kHz) 10^3 Hz — 3 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-45 33bd.jpg
CIS-112 CISCommonwealth of Independent States (CIS), the former Soviet Republic-112 OFDMOrthogonal Frequency-Division Multiplexing signal. Has a preamble of 7 Tones (not including carrier), then 56 tones before entering into the 112 tone data transmission. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing kHzKiloHertz (kHz) 10^3 Hz Russia CIS-112 pramb.jpg
CIS-12 CISCommonwealth of Independent States (CIS), the former Soviet Republic-12 (Also known as MS5, FIRE, AT-3004D, or AT-3104D) is a 12-tone PSKPhase-Shift Keying Russian military multi-channel modem. 7.026 MHzMegaHertz (MHz) 10^6 Hz — 14.6 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) PSKPhase-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-12.jpg
CIS-128 CISCommonwealth of Independent States (CIS), the former Soviet Republic-128 is an OFDMOrthogonal Frequency-Division Multiplexing mode that uses 128 channels, with one “off” channel in the center, so the signal is divided into two 64 channel parts. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing, QAMQuadrature Amplitude Modulation 3.1 kHzKiloHertz (kHz) 10^3 Hz — 6.1 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-128.jpg
CIS-1280 CISCommonwealth of Independent States (CIS), the former Soviet Republic-1280 is a OQPSK (Offset Quadrature Phase Shift-Keying) modulation data modem signal. Also known as Soviet Mil(MOD)/FAPSIFederal Agency of Government Communications and Information (Russian Agency)/PTTPush To TalkPress to TransmitMinistries of Postal, Telephone, and Telegraph Service (Soviet Agency) system. These stations are recognizable in that they are all placed on .081 offsets from a kilohertz or half kilohertz point. MHzMegaHertz (MHz) 10^6 Hz — 13.369 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) PSKPhase-Shift Keying 1.28 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-1280.jpg
CIS-16 CISCommonwealth of Independent States (CIS), the former Soviet Republic-16 is a BPSKBinary Phase-Shift Keying (1 bit per symbol) 16-tone mode, possibly transmitted from a modified AT-3004D or AT-3104 type Russian military transceiver. Also known as CISCommonwealth of Independent States (CIS), the former Soviet Republic 16x75 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. for the 75 bdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. speed in each of the 16 sub channels. 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) PSKPhase-Shift Keying 2.7 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-16Tfcc.jpg
CIS-20 Russian AT-3104 Modem signal, 20-tone OFDMOrthogonal Frequency-Division Multiplexing DQPSKDifferential Quadrature Phase-Shift Keying signal 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.75 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-20.jpg
CIS-300 Known as CISCommonwealth of Independent States (CIS), the former Soviet Republic-300 Burst, FSKFrequency-Shift Keying mode used with 300 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. rate with a starting and ending tone on the upper part of the signal. 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) FSKFrequency-Shift Keying 370 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russia CIS-300.jpg
CIS-3000 CISCommonwealth of Independent States (CIS), the former Soviet Republic-3000 is an 8-PSK8-Phase Phase-Shift Keying (3 bits per symbol) Data Modem protocol. It's source is traced to Russia. 3000 is for its 3000 BaudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. speed (maximum speed is technically 9000 bpsBits per second (bps)). 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) PSKPhase-Shift Keying 3.4 kHzKiloHertz (kHz) 10^3 Hz Russia CIS-3000.jpg
CIS-36-50 CISCommonwealth of Independent States (CIS), the former Soviet Republic-36-50, also known as BEE-36 and T-600, is an FSKFrequency-Shift Keying modem used by the Russian Navy. 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) FSKFrequency-Shift Keying 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 550 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russia CIS-36-50.jpg
CIS-40.5 CISCommonwealth of Independent States (CIS), the former Soviet Republic-40.5 (Also known as T-206) is an FSKFrequency-Shift Keying signal used in Russian Military Communications Equipment. 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) FSKFrequency-Shift Keying 600 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russia CIS-40.5.jpg
CIS-50-50 CISCommonwealth of Independent States (CIS), the former Soviet Republic-50-50 is very similar to CISCommonwealth of Independent States (CIS), the former Soviet Republic-36-50. The main difference is in the available baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. rates and frequency shifts used. 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) FSKFrequency-Shift Keying 150 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 630 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russia CIS-50-50.jpg
CIS-8181 CISCommonwealth of Independent States (CIS), the former Soviet Republic-8181 is an FSKFrequency-Shift Keying modem used by the Russian navy. 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) FSKFrequency-Shift Keying 600 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Russia CIS-8181.jpg
CV-786 CV-786 is a wideband FSKFrequency-Shift Keying mode built in Rockwell-Collins MDM-2001 modems. Also known as TRC-75, as it was used in TRC-75 transceivers. A military-based Radio TeleTYpe mode. 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) FSKFrequency-Shift Keying 900 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide CV-786.jpg
Chinese Firedrake Jammer The Chinese Firedrake Jammer (also known as FireDragon) is a Commercial AMAmplitude Modulation Broadcast jamming signal that aims to jam specific radio stations in Asia from being received by listeners. It plays the chinese folk song "The Firedrake" to jam AMAmplitude Modulation radio stations. MHzMegaHertz (MHz) 10^6 Hz — 18 MHzMegaHertz (MHz) 10^6 Hz AMAmplitude Modulation AMAmplitude Modulation 10 kHzKiloHertz (kHz) 10^3 Hz China CHN Jammer.png
Coquelet Coquelet is an MFSKMultiple Frequency Shift-Keying system, similar to Piccolo. Also known as COQ-8, COQ-12, and COQUELET 8 V 2. Uses ITA-2 charset. It's two main modes are Coquelet-8 and Coquelet-13. No longer in use. 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) MFSKMultiple Frequency Shift-Keying 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 500 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide Coq 8 intro.png
GM2100 (R&S) Advanced HFHigh Frequency (3-30 MHz) waveform for data transmission. R&S proprietary. PSK8, 2400 sps. 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) PSKPhase-Shift Keying kHzKiloHertz (kHz) 10^3 Hz Europe GM2100 R&S.png
HC-265 Voice Scrambler HC-265 is a Voice Scrambling mode developed by Hagelin Crypto for their HC-265 CRYPTOCOM secure voice unit. 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) FSKFrequency-Shift Keying 2.25 kHzKiloHertz (kHz) 10^3 Hz — 3 kHzKiloHertz (kHz) 10^3 Hz Worldwide HC 265.jpg
HFGCS (High Frequency Global Communications System) HFGCS is a series of networks deployed by the United States Air Force to send encoded messages to deployed aircraft. This network is well known for it's coded EAM's (Emergency Action Messages) used for coordinating United States Strategic Nuclear Forces. 4.724 MHzMegaHertz (MHz) 10^6 Hz — 15.016 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) USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) 2.95 kHzKiloHertz (kHz) 10^3 Hz Worldwide 11175 KHZ Crop Waterfall.png
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 2017, the university has reopened the facility and now makes occasional research campaigns. 2.7 MHzMegaHertz (MHz) 10^6 Hz — 10 MHzMegaHertz (MHz) 10^6 Hz AMAmplitude Modulation, CWContinuous Wave CWContinuous Wave, FMCW 100 kHzKiloHertz (kHz) 10^3 Hz United States Haarp.jpg
High Frequency Data and Voice Link (HFDVL) HFDVL (or HFD+VL) is an experimental mode developed by research groups from The University of Las Palmas de Gran Canaria and The Polytechnic University of Madrid. This mode is intended for military use in accordance with STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 5066 parameters. 14.35 MHzMegaHertz (MHz) 10^6 Hz — 14.829 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing, QAMQuadrature Amplitude Modulation kHzKiloHertz (kHz) 10^3 Hz Spain HFDVL.jpg
Iranian Navy QPSK Modem Iranian Navy QPSKQuadrature Phase-Shift Keying (2 bits per symbol) Modem is a QPSKQuadrature Phase-Shift Keying (2 bits per symbol) mode used by the Iranian Navy. It has gone through several versions. The current version (2015) is V2 and supports speeds of 468 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., 936 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., and 1872 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second.. 8.046 MHzMegaHertz (MHz) 10^6 Hz — 17.382 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) PSKPhase-Shift Keying 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 2.85 kHzKiloHertz (kHz) 10^3 Hz Iran Iranian Navy QPSK 468.jpg
Israeli Navy Hybrid Modem (188-110 MOD) The Israeli Naval Hybrid Modem is based on the MIL-STD-188-110 Serial Standard. Has characteristic preamble with 4/6 Tone and 18 QPSKQuadrature Phase-Shift Keying (2 bits per symbol) parallel mode before 110 Serial transmission. Possible use as a broadcast transmitter for ships. Used by the Israeli Navy 4XZ station from Haifa. 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) PSKPhase-Shift Keying 2.75 kHzKiloHertz (kHz) 10^3 Hz Israel Mil Mod Israeli.jpg
Israeli VFT Israeli based VFTVoice Frequency Telegraphy transmission, most likely used by Israeli government or military. 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) FSKFrequency-Shift Keying, PSKPhase-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Israel Preamble.jpg
Japan Military 8-Channel FSK Data signal thought to originate from Japanese Military/Navy 12.385 MHzMegaHertz (MHz) 10^6 Hz — 16.554 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) FSKFrequency-Shift Keying 2.4 kHzKiloHertz (kHz) 10^3 Hz Japan Japan 8 2-fsk.jpg
Japanese Slot Machine (XSL) The Japanese Slot Machine (Enigma Designation XSL) is a simplex system used by the Japanese Maritime Self-Defense Force in Ichihara, Japan. 4.153 MHzMegaHertz (MHz) 10^6 Hz — 8.703 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) PSKPhase-Shift Keying kHzKiloHertz (kHz) 10^3 Hz Japan XSL idle.jpg
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
Link-11 Link-11 (Also known as ALLIGATOR, STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 5511, TADIL-A, MIL-STD-6011, and MIL-STD-188-203-1A) is a Tactical Data Link standard (formerly known as Tactical Digital Information Link (TADIL) used by NATONorth Atlantic Treaty Organization and the US Military for Maritime Tactical Data Exchange. 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) PSKPhase-Shift Keying 2.5 kHzKiloHertz (kHz) 10^3 Hz — 6 kHzKiloHertz (kHz) 10^3 Hz Worldwide Link-11Waterfall.png
Link-11 (UHF) This is the UHFUltra High Frequency (300-3000 MHz) band variant of Link-11, which is transmitted on a FMFrequency Modulation carrier. The FMFrequency Modulation-demodulated baseband is identical to the HFHigh Frequency (3-30 MHz) Link-11 waveform. 225 MHzMegaHertz (MHz) 10^6 Hz — 399.975 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation PSKPhase-Shift Keying 30 kHzKiloHertz (kHz) 10^3 Hz Worldwide Link-11 UHF.jpg
MD-522 MD-522 (Also known as MIL-M-55529A) is a synchronous FSKFrequency-Shift Keying mode built into GRC-MD522 teletypewriter sets and used for wirelessly transmitting ASCII information. MD-522 has a narrowband, wideband, and diversity mode. 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) FSKFrequency-Shift Keying 200 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). United States MD-674.png
MD-674 MD-674, also known as Wireline FSKFrequency-Shift Keying, is a very old United States Military FSKFrequency-Shift Keying Modem from the 1960's. Uses 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). FSKFrequency-Shift Keying shift. Speeds of 50 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., 75 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., 100 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., and 150 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. have been logged. No longer seen today. 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) FSKFrequency-Shift Keying 200 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). United States MD-674.png
MIL-STD-110-342 MIL-STD-110-342 was a US Dept. of Defense standard for a 16 channel VFTVoice Frequency Telegraphy teletype transmission. This mode was officially cancelled as of December 5th, 1995. 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) FSKFrequency-Shift Keying 3.1 kHzKiloHertz (kHz) 10^3 Hz Worldwide MIL-STD-110-342.jpg
MIL-STD-188-110 Appendix A 16-Tone MIL-STD-188-110 Appendix A is a 16-tone OFDMOrthogonal Frequency-Division Multiplexing PSKPhase-Shift Keying signal used to transmit data. As of 110C revision, this mode has been phased out. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.1 kHzKiloHertz (kHz) 10^3 Hz Worldwide App A 16-tone.jpg
MIL-STD-188-110 Appendix B 39-Tone MIL-STD-188-110 Appendix B is a 39-tone OFDMOrthogonal Frequency-Division Multiplexing DQPSKDifferential Quadrature Phase-Shift Keying mode used to send data and voice. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.4 kHzKiloHertz (kHz) 10^3 Hz Worldwide 188-110 App B.jpg
MIL-STD-188-110 Serial MIL-STD-188-110 Serial is a US Department of Defense standard for HFHigh Frequency (3-30 MHz) Communications, Serial PSKPhase-Shift Keying mode. Can transmit both data and voice with a range of interleaving and speed modes for optimal propagation. 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) PSKPhase-Shift Keying 2.75 kHzKiloHertz (kHz) 10^3 Hz Worldwide MIL STD 188-110ABC.jpg
Marconi Selenia 25-Tone Modem The Marconi Selenia 25-Tone Modem is a military modem developed sometime around 2003 by Marconi Selenia Communications (Now Finmeccanica). It supports ECCMElectronic Counter-CounterMeasures (ECCM) is a part of electronic warfare which includes a variety of practices which attempt to reduce or eliminate the effect of electronic countermeasures (ECM) such as jamming. ECCM is also known as electronic protective measures (EPM), chiefly in Europe. capability and transmits at a datarate of 2400bps. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 1.6 kHzKiloHertz (kHz) 10^3 Hz Worldwide Marconi25.jpg
Modernised High Frequency Communications System (MHFCS) The Modernised High Frequency Communications System (MHFCS) is an Australian Department of Defense HFHigh Frequency (3-30 MHz) System for their military communications network. Also known as AUS MIL ISBIndependent Side Band Modulation Modem, AUS MHFCS, and ADF HFCS. 2.01 MHzMegaHertz (MHz) 10^6 Hz — 27.478 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) FSKFrequency-Shift Keying 400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 750 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Australia ISB AUS MIL.jpg
Morse Code (CW) CWContinuous Wave Morse Code is the simplest form of transmission found virtually all over the RFRadio Frequency bands for a variety of uses. The most common use of this is for Call-sign Beacons by both Amateur and Military operators. MHzMegaHertz (MHz) 10^6 Hz — 930 MHzMegaHertz (MHz) 10^6 Hz CWContinuous Wave OOKOn-Off Keying Modulation HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide CW.jpg
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
PRC-16 PRC-16 is a Chinese sourced PSKPhase-Shift Keying data link, traced to Shanghai. Suspected user Chinese Military. 14.3 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.2 kHzKiloHertz (kHz) 10^3 Hz China PRC-16.jpg
Panther-H Modem Panther-H is an intelligent frequency hopping transceiver developed by Racal (now Thales Group). Has a signature 8-burst SOC (Start Of Conversation) sync procedure. Used in Panther-2000H radios 1.5 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) PSKPhase-Shift Keying kHzKiloHertz (kHz) 10^3 Hz Worldwide Panther-H SOC.png
Piccolo Piccolo was a MFSKMultiple Frequency Shift-Keying system developed by the UK Foreign and Commonwealth Office (FCO) to communicate with foreign embassies and UK military stations around the world. No longer used. 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) MFSKMultiple Frequency Shift-Keying 180 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide Piccolo Mk12.png
Q-MAC HF Modem The Q-MAC HFHigh Frequency (3-30 MHz) Modem is a military modem developed by Q-MAC (acquired by Barrett Communications). It uses OFDMOrthogonal Frequency-Division Multiplexing with a BPSKBinary Phase-Shift Keying (1 bit per symbol) sync channel in a gap of the signal. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing kHzKiloHertz (kHz) 10^3 Hz Worldwide QMAC.jpg
STANAG 4197 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4197 is a NATONorth Atlantic Treaty Organization QPSKQuadrature Phase-Shift Keying (2 bits per symbol) OFDMOrthogonal Frequency-Division Multiplexing signal used in ANDVT modems that transmit encrypted digital voice over HFHigh Frequency (3-30 MHz). 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.3 kHzKiloHertz (kHz) 10^3 Hz Worldwide STANAG 4197.jpg
STANAG 4285 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4285 is specified by the NATONorth Atlantic Treaty Organization (North Atlantic Treaty Organization) Military Agency for Standardization in "Characteristics of 1200 / 2400 / 3600 Bits per Second Single Tone Modulators / Demodulators for HFHigh Frequency (3-30 MHz) Radio Links" 1.89 MHzMegaHertz (MHz) 10^6 Hz — 22.7 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) PSKPhase-Shift Keying 2.75 kHzKiloHertz (kHz) 10^3 Hz Worldwide STANAG 4285.jpg
STANAG 4415 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4415 is a NATONorth Atlantic Treaty Organization standard for robust, non-hopping digital data communication, used on severely degraded HFHigh Frequency (3-30 MHz) channels with large Doppler and multipath spreads. 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) PSKPhase-Shift Keying 2.75 kHzKiloHertz (kHz) 10^3 Hz Worldwide STANAG 4415.jpg
STANAG 4481 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4481, also known as CRATT, Link-4, and NATONorth Atlantic Treaty Organization-75, is specified by the NATONorth Atlantic Treaty Organization (North Atlantic Treaty Organization) Military Agency for Standardization as a "Minimum technical equipment standards for naval HFHigh Frequency (3-30 MHz) shore-to-ship broadcast system" 2.815 MHzMegaHertz (MHz) 10^6 Hz — 18.016 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) FSKFrequency-Shift Keying, PSKPhase-Shift Keying 1.5 kHzKiloHertz (kHz) 10^3 Hz — 2.75 kHzKiloHertz (kHz) 10^3 Hz Worldwide STANAG 4481.jpg
STANAG 4529 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4529 a modification of STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4285 to deliver data and voice in 1240 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). of bandwidth at rates of up to 1800 bpsBits per second (bps). 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) PSKPhase-Shift Keying 1.24 kHzKiloHertz (kHz) 10^3 Hz Worldwide 4529 long.jpg
STANAG 4539 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 4539 or MIL-STD-188-110B/C Appendix C is a HDR (110B) / MDR (110C) serial PSKPhase-Shift Keying/QAMQuadrature Amplitude Modulation signal that can reach speeds up to 9600 bpsBits per second (bps) (128000 bpsBits per second (bps) with no interleaving). 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) PSKPhase-Shift Keying, QAMQuadrature Amplitude Modulation kHzKiloHertz (kHz) 10^3 Hz Worldwide QAM 8000 M.jpg
STANAG 5065 STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO). 5065 is defined as "Minimum Standards for Naval Low Frequency (LFLow Frequency (30-300 kHz)) Shore-To-Ship Surface Broadcast Systems", with two primary protocols, FSK75 and MSK300. 50 kHzKiloHertz (kHz) 10^3 Hz — 160 kHzKiloHertz (kHz) 10^3 Hz USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) FSKFrequency-Shift Keying, MSKMinimum-Shift Keying (When Shift/Bd = 0.5. It is impossible to get this ratio to be lower than 0.5, hence it is called the 'Minimum' shift.) 235 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 360 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide STANAG 5065 FSK.jpg
Saab Grintek MHF-50 MFSK Modem The MHF-50 MFSKMultiple Frequency Shift-Keying Modem by Saab Grintek Technologies in South Africa is a data modem that utilizes RTTYRadio TeleTYpe, 2-FSKFrequency-Shift Keying, and 33-MFSKMultiple Frequency Shift-Keying to transmit data 4.245 MHzMegaHertz (MHz) 10^6 Hz — 12.982 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) MFSKMultiple Frequency Shift-Keying, FSKFrequency-Shift Keying 2.2 kHzKiloHertz (kHz) 10^3 Hz South Africa MHF-50.jpg
Siemens CHX-200 FSK Modem CHX200, also known as Siemens CHP200 and PRC-921/GY, is a backpack HFHigh Frequency (3-30 MHz) ECCOM transceiver, designed and built by Siemens. 1.5 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) FSKFrequency-Shift Keying 300 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Worldwide CHX200.jpg
Thales SALAMANDRE (HFXL) Thales SALAMANDRE (using HFXL waveform) uses up to 16 separate contiguous or not-contiguous narrowband HFHigh Frequency (3-30 MHz) channels for high datarate military and tactical communications. Operates on a modified STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the North Atlantic Treaty Organization (NATO).-4539 platform. 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) PSKPhase-Shift Keying 150 kHzKiloHertz (kHz) 10^3 Hz Worldwide Espectrograma.jpg
Thales Système 3000 HF Modem Thales Système 3000 is a HFHigh Frequency (3-30 MHz) modem capable of many different modes of transmission. It has a unique preamble and format to it's signals. 1.5 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) PSKPhase-Shift Keying, MFSKMultiple Frequency Shift-Keying kHzKiloHertz (kHz) 10^3 Hz — 3 kHzKiloHertz (kHz) 10^3 Hz Worldwide Systeme Thales ALE and Vx.jpg
Thales Système 3000 Skyhopper Thales Système 3000 Skyhopper is the frequency hopping mode of the Système 3000 Modem. Characterized by it's very short bursts and frequency hopping behavior. 1.5 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) PSKPhase-Shift Keying, MFSKMultiple Frequency Shift-Keying kHzKiloHertz (kHz) 10^3 Hz — 2.6 kHzKiloHertz (kHz) 10^3 Hz Worldwide ALE psk mfsk thales skyhopper.jpg
Thales Système 3000 Voice Scrambler Voice Scrambling mode from Thales Système 3000 HFHigh Frequency (3-30 MHz) Modem. Has characteristic PSKPhase-Shift Keying and MFSKMultiple Frequency Shift-Keying bursts at the beginning and end of a voice transmission. 1.5 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) PSKPhase-Shift Keying, MFSKMultiple Frequency Shift-Keying kHzKiloHertz (kHz) 10^3 Hz Worldwide Scrambled thales.jpg
The Buzzer (ZhUOZ MDZhB UZB76) The Buzzer, call-sign ZhUOZ (formerly MDZhB and UZB76), is a Russian based military station that occasionally broadcasts Monolit format messages in Russian. Its trademark buzzer is constantly transmitted while there is no message to broadcast. 4.625 MHzMegaHertz (MHz) 10^6 Hz — 6.998 MHzMegaHertz (MHz) 10^6 Hz AMAmplitude Modulation USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) 2.8 kHzKiloHertz (kHz) 10^3 Hz Russia Buzzer.png
The Goose Channel marker of the Russian military station nicknamed "The Goose", for its distinct channel marker sound. Uses 3012kHz in nighttime, and 6360kHz in daytime. 3.012 MHzMegaHertz (MHz) 10^6 Hz — 6.36 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) AMAmplitude Modulation 3.1 kHzKiloHertz (kHz) 10^3 Hz Russia 123.png
UK GOV/MIL WINDRM51 UK GOV/MIL "WinDRM51" variant. Unknown purpose, But link between UK & Cyprus has been found some years ago. 9.104 MHzMegaHertz (MHz) 10^6 Hz — 13.451 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) OFDMOrthogonal Frequency-Division Multiplexing 2.5 kHzKiloHertz (kHz) 10^3 Hz Europe UK WINDRM51.jpg
VISEL VISEL, also known as YUG-MIL 120.9 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second., FECForward Error Correction-12, and YUG-MIL FECForward Error Correction, is a synchronous teleprinter system used by the former Yugoslav military. No longer active today. 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) FSKFrequency-Shift Keying 400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Eastern Europe VISEL.jpg
Yachta T-219 Voice Scrambler Yachta or Yakhta (Russian for 'Boat') T-219 is an analogue voice scrambler. It is unique in that an FSKFrequency-Shift Keying sync signal is transmitted in the middle of the main signal, with the scrambled voice stream split above and below the FSKFrequency-Shift Keying signal. 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) FSKFrequency-Shift Keying 2.7 kHzKiloHertz (kHz) 10^3 Hz Russia Yachta.jpg
Yugoslavian 20-Tone Modem The Yugoslavian 20-Tone Modem, also known as YUG-MIL 20-Tone and YUG Diplo 20-Tone, is a 20 tone OFDMOrthogonal Frequency-Division Multiplexing PSKPhase-Shift Keying modem used in former Yugoslavia for military and diplomatic use. No longer used today. 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) PSKPhase-Shift Keying, OFDMOrthogonal Frequency-Division Multiplexing 2.2 kHzKiloHertz (kHz) 10^3 Hz Eastern Europe Yug Mil.jpg

Pages in category "Military"

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