Aviation
From Signal Identification Wiki
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| 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 |
|---|---|---|---|---|---|---|---|---|
| 'Vario' Airplane Data Controller | This transmitter is found within the UHFUltra High Frequency (300-3000 MHz) FMRS bands, most likely used at airshows to give off barometric pressure, height in altitude represented by a voice, including various tones representing how high/how low the model plane is in the air. | 462.61 MHzMegaHertz (MHz) 10^6 Hz — 462.725 MHzMegaHertz (MHz) 10^6 Hz | NFMNarrowband Frequency Modulation | 6 kHzKiloHertz (kHz) 10^3 Hz | United States |  |
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| ARQ-M2-242 | ARQAutomatic Repeat reQuestAutomatic Repeat Query-M2-242 (Also known as TDM 242, TDM-2, 96-TDM, and ARQAutomatic Repeat reQuestAutomatic Repeat Query-28) is a two-channel time division multiplexed telex system. This is the CCIRComité Consultatif International pour la Radio (Predecessor of the ITU-R) 242 standard version. Used in Aeronautical, Marine, and Point-to-Point services. | 3 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). | Worldwide |  |
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| ARQ-M2-342 | ARQAutomatic Repeat reQuestAutomatic Repeat Query-M2-342 (Also known as TDM 342, TDM-2, 96-TDM, and ARQAutomatic Repeat reQuestAutomatic Repeat Query-28) is a two-channel time division multiplexed telex system. This is the CCIRComité Consultatif International pour la Radio (Predecessor of the ITU-R) 342 standard version. Used in Aeronautical, Maritime, and Point-to-Point services. | 3 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). | Worldwide |  |
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| ARQ-M4-242 | ARQAutomatic Repeat reQuestAutomatic Repeat Query-M4-242 (Also known as TDM 242, TDM-4, 192-TDM, and ARQAutomatic Repeat reQuestAutomatic Repeat Query-56) is a four-channel time division multiplexed telex system. This is the CCIRComité Consultatif International pour la Radio (Predecessor of the ITU-R) 242 standard version. Used in Aeronautical, Maritime, and Point-to-Point services. | 3 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 | 250 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). | Worldwide |  |
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| ARQ-M4-342 | ARQAutomatic Repeat reQuestAutomatic Repeat Query-M4-342 (Also known as TDM 342, TDM-4, 192-TDM, and ARQAutomatic Repeat reQuestAutomatic Repeat Query-56) is a four-channel time division multiplexed telex system. This is the CCIRComité Consultatif International pour la Radio (Predecessor of the ITU-R) 342 standard version. Used in Aeronautical, Maritime, and Point-to-Point services. | 3 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). | Worldwide |  |
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| Aircraft Communications Addressing and Reporting System (ACARS) | ACARS is a digital datalink system for the transmission of short messages between aircraft and ground stations via airband radio or satellite. | 129 MHzMegaHertz (MHz) 10^6 Hz — 137 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | 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.) | 5 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Amplitude Modulation (AM) | Long range commercial broadcast and international radio. Also used for aviation communications. | 153 kHzKiloHertz (kHz) 10^3 Hz — 137 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | AMAmplitude Modulation | 10 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Automatic Dependent Surveillance-Broadcast (ADS-B) | ADS-B is used by aircraft as an alternative to secondary radar. It broadcasts GPS position (latitude, longitude), pressure altitude, callsign, as well as track and ground speed. | 978 MHzMegaHertz (MHz) 10^6 Hz — 1,090 MHzMegaHertz (MHz) 10^6 Hz | RAW | PPMPulse Position Modulation | 2 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| Distress Radiobeacon (Analog) | Analog Distress Radiobeacons are simple siren-based transmitters that were installed in older EPIRB's, PLB's and ELT's. Currently used as a supplementary homing signal in modern digital radiobeacons. | 121.5 MHzMegaHertz (MHz) 10^6 Hz — 243 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | AMAmplitude Modulation | 10 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Distress Radiobeacon (Digital) | Digital Distress Radiobeacons (EPIRB's, PLB's and ELT's) are emergency radio beacons used for search and rescue operations to locate a vessel, plane, or person in distress. | 406 MHzMegaHertz (MHz) 10^6 Hz | NFMNarrowband Frequency Modulation | PSKPhase-Shift Keying | 1.4 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Ground-Based Augmentation System (GBAS) | GBAS is an advanced aircraft navigation system that provides GPS corrections to aircraft on approach. | 108 MHzMegaHertz (MHz) 10^6 Hz — 117.975 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | D8PSK | 15 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| 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 |  |
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| High Frequency Data Link (HFDL) | HFDL, also known as HFHigh Frequency (3-30 MHz)-ACARS, ARINC 753, ARINC 635, and HFHigh Frequency (3-30 MHz) DATALINK,is a data link that aircraft use to communicate short messages over long distances using HFHigh Frequency (3-30 MHz) signals. | 2.9 MHzMegaHertz (MHz) 10^6 Hz — 22 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 | 2.4 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| ICAO Selcal | ICAO Selcal (also known as AVCALL, ANNEX 10, or just SELCAL) is a HFHigh Frequency (3-30 MHz)/VHFVery High Frequency (30-300 MHz) aviation selective calling system used by ground stations to initiate radio communications with aircraft. | 3 MHzMegaHertz (MHz) 10^6 Hz — 300 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 | 1.5 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| ILS Marker Beacon | ILS Marker Beacons are used by aircraft for Instrument Landing Systems, transmitted by an upward-facing directive antenna at known distances along the approach path. | 75 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | OOKOn-Off Keying Modulation | 3 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Inmarsat Aero | Inmarsat Aero is the protocol that's used to link ground stations with aircraft via Inmarsat's satellite link. This protocol carries digital voice, fax and low speed data such as ACARS and ADS-C. | 1,545 MHzMegaHertz (MHz) 10^6 Hz — 3,687 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 | 800 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 10.5 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| Instrument Landing System | Radio navigation system that allows aircraft to perform precision approaches in low visibility conditions. | 108 MHzMegaHertz (MHz) 10^6 Hz — 335 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | 15 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Non-Directional Beacon (NDB) | A Non-Directional Beacon (NDB) is a ground-based, low frequency radio transmitter used as an instrument approach for airports and offshore platforms. | 190 kHzKiloHertz (kHz) 10^3 Hz — 1.8 MHzMegaHertz (MHz) 10^6 Hz | CWContinuous Wave | A2A (AMAmplitude Modulation) | 2 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| Primary Aeronautical Surveillance Radar | A Primary radar (PSR Primary Surveillance Radar) is a conventional radar sensor that illuminates a large portion of space with an electromagnetic wave and receives back the reflected waves from targets within that space. | 1,215 MHzMegaHertz (MHz) 10^6 Hz — 1,400 MHzMegaHertz (MHz) 10^6 Hz | RAW | Pulse | 3 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| Quadcopter Telemetry Signal | This signal originates from the Silicon Instruments Si1000 Software Defined Radio (SDR) that is a component of the 3DR Telemetry Radio, sold for use as a data link between a computer ground station and a UAV "a drone". | 414 MHzMegaHertz (MHz) 10^6 Hz — 935 MHzMegaHertz (MHz) 10^6 Hz | FHSS-TDM | BPSKBinary Phase-Shift Keying (1 bit per symbol), QAMQuadrature Amplitude Modulation, 8PSK8-Phase Phase-Shift Keying (3 bits per symbol) | Worldwide | No Audio File |  |
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| Radar altimeter | Aircrafts radar altimeter. | 4,200 MHzMegaHertz (MHz) 10^6 Hz — 4,300 MHzMegaHertz (MHz) 10^6 Hz | AMAmplitude Modulation | FMCW | 20 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| Secondary surveillance radar (SSR) | Secondary surveillance radar (SSR)is a radar system used in air traffic control. A surveillance radar system which uses transmitters/receivers (interrogators) and transponders. | 1,030 MHzMegaHertz (MHz) 10^6 Hz | RAW | PPMPulse Position Modulation | 3 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| Sonne | Sonne (Called Consol by the Britons) was a low-frequency radio range based radio navigation system used for long range navigation. | 250 kHzKiloHertz (kHz) 10^3 Hz — 350 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) | OOKOn-Off Keying Modulation | 1 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). | Worldwide |  |
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| Tactical Air Navigation System (TACAN) | Radio navigation technology that measures the slant range (distance) between an aircraft and a ground station by timing the propagation delay of radio signals. | 960 MHzMegaHertz (MHz) 10^6 Hz — 1,213 MHzMegaHertz (MHz) 10^6 Hz | Worldwide |  |
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| VHF Data Link - Mode 2 (VDL-M2) | VDL-M2 (Known as VDL2 or VDLM2) is a means of sending information between aircraft and ground stations. VDL Mode 2 is the only VDL mode being implemented operationally to support Controller Pilot Data Link Communications (CPDLC). An extension to the AVLC protocol permits ACARS over AVLC (AOA) transmissions. VDL-M2 is implemented by Eurocontrol. | 117.975 MHzMegaHertz (MHz) 10^6 Hz — 137 MHzMegaHertz (MHz) 10^6 Hz | RAW | PSKPhase-Shift Keying | 25 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
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| VHF Omnidirectional Range (VOR) | A type of radio navigation system used by aircraft. It is distinctive in that the center frequency is flanked by two FMFrequency Modulation waves. | 108 MHzMegaHertz (MHz) 10^6 Hz — 117.95 MHzMegaHertz (MHz) 10^6 Hz | NFMNarrowband Frequency Modulation | AMAmplitude Modulation, FMFrequency Modulation | 21 kHzKiloHertz (kHz) 10^3 Hz | Worldwide |  |
Pages in category "Aviation"
The following 28 pages are in this category, out of 28 total.
