SettingsEmergency communication
2182 kHz
The radio frequency of 2182 kHz (kilohertz) is the international calling and distress frequency for maritime radiotelephone communications on the marine MF bands.
The radio frequency of 2182 kHz (kilohertz) is the international calling and distress frequency for maritime radiotelephone communications on the marine MF bands.
500 kHz
Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication.
Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication.
Aeronautical Emergency Communications System Plan
In telecommunication, the Aeronautical Emergency Communications System Plan (AECS) provides for the operation of aeronautical communications stations, on a voluntary, organized basis, to p...
In telecommunication, the Aeronautical Emergency Communications System Plan (AECS) provides for the operation of aeronautical communications stations, on a voluntary, organized basis, to p...
Aircraft emergency frequency
The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress.
The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress.
Airwave (communications network)
The Airwave network is a mobile communications network dedicated for the use by the emergency services in the United Kingdom.
The Airwave network is a mobile communications network dedicated for the use by the emergency services in the United Kingdom.
AIS-SART
The AIS-SART is a self-contained radio device used to locate a survival craft or distressed vessel by sending updated position reports using a standard Automatic Identification System class-A po...
The AIS-SART is a self-contained radio device used to locate a survival craft or distressed vessel by sending updated position reports using a standard Automatic Identification System class-A po...
Alarm signal
In the field of animal communication, an alarm signal is an antipredator adaptation referring to various signals emitted by social animals in response to danger.
In the field of animal communication, an alarm signal is an antipredator adaptation referring to various signals emitted by social animals in response to danger.
ALERT FM
ALERT FM is an emergency notification system that delivers messages from state, local, and/or private sector officials to citizens, schools, businesses, and first responders using the Radio Data...
ALERT FM is an emergency notification system that delivers messages from state, local, and/or private sector officials to citizens, schools, businesses, and first responders using the Radio Data...
Amateur Radio Emergency Service
In the United States and Canada, the Amateur Radio Emergency Service (ARES) is a corps of trained amateur radio operator volunteers organized to assist in public service and emergency comm...
In the United States and Canada, the Amateur Radio Emergency Service (ARES) is a corps of trained amateur radio operator volunteers organized to assist in public service and emergency comm...
AMBER Alert
An AMBER Alert or a Child Abduction Emergency (SAME code: CAE) is a child abduction alert bulletin in several countries throughout the world, issued upon the suspected abduction of a child...
An AMBER Alert or a Child Abduction Emergency (SAME code: CAE) is a child abduction alert bulletin in several countries throughout the world, issued upon the suspected abduction of a child...
Bathroom emergency pullstring
In many bathrooms in a healthcare type building, such as a hospital, doctor's office, and/or an assisted living center, an emergency pull string or pull cord can be found for patients who n...
In many bathrooms in a healthcare type building, such as a hospital, doctor's office, and/or an assisted living center, an emergency pull string or pull cord can be found for patients who n...
Blue light (pyrotechnic signal)
Blue light is a pyrotechnic composition (a firework) which was widely used during the eighteenth and nineteenth centuries for signaling by the world's military forces, and for general illuminati...
Blue light is a pyrotechnic composition (a firework) which was widely used during the eighteenth and nineteenth centuries for signaling by the world's military forces, and for general illuminati...
Canwarn
CANWARN is an acronym for CANadian Weather Amateur Radio Network The CANWARN program is an organized severe weather spotting and reporting program organized and run by the Meteorological Service...
CANWARN is an acronym for CANadian Weather Amateur Radio Network The CANWARN program is an organized severe weather spotting and reporting program organized and run by the Meteorological Service...
Channel 16 VHF
Channel 16 VHF is a radio frequency on the marine VHF radio band.
Channel 16 VHF is a radio frequency on the marine VHF radio band.
Common Alerting Protocol
The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies.
The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies.
Communication during the September 11 attacks
Communication problems and successes played an important role in the September 11, 2001 attacks and their aftermath.
Communication problems and successes played an important role in the September 11, 2001 attacks and their aftermath.
Cospas-Sarsat
Cospas-Sarsat is an international satellite-based search and rescue (SAR) distress alert detection and information distribution system, established by Canada, France, the United States, and the ...
Cospas-Sarsat is an international satellite-based search and rescue (SAR) distress alert detection and information distribution system, established by Canada, France, the United States, and the ...
CQD
CQD, transmitted in Morse code as — · — · — — · — — · · is one of the first distress signa...
CQD, transmitted in Morse code as — · — · — — · — — · · is one of the first distress signa...
Distress radiobeacon
Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and location of boats, aircraft, and people in distress.
Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and location of boats, aircraft, and people in distress.
eCall
eCall is a project of the European Commission intended to bring rapid assistance to motorists involved in a collision anywhere in the European Union.
eCall is a project of the European Commission intended to bring rapid assistance to motorists involved in a collision anywhere in the European Union.
Emergency Communication System
An Emergency Communication System refers to a collection of methods that facilitate the dissemination of messages to a large group of people with the details of an occurring or pending emergency...
An Emergency Communication System refers to a collection of methods that facilitate the dissemination of messages to a large group of people with the details of an occurring or pending emergency...
Emergency communication system
An Emergency communication system is any system (usually of a technological nature) that is organized for the primary purpose of conveying emergency types of messages and having the ability to s...
An Emergency communication system is any system (usually of a technological nature) that is organized for the primary purpose of conveying emergency types of messages and having the ability to s...
Emergency medical dispatch
Emergency Medical Dispatch (EMD) refers to a system that enhances services provided by Public Safety Answering Point (emergency) call takers, such as municipal emergency services dispatchers.
Emergency Medical Dispatch (EMD) refers to a system that enhances services provided by Public Safety Answering Point (emergency) call takers, such as municipal emergency services dispatchers.
Emergency Medical Systems Operator
Emergency Medical Systems Operators (EMSO's) are employed by North East Ambulance Service and answer 999 emergency calls and ambulance urgent calls.
Emergency Medical Systems Operators (EMSO's) are employed by North East Ambulance Service and answer 999 emergency calls and ambulance urgent calls.
Emergency medical systems operator
Emergency medical systems operators are employed by UK's North East Ambulance Service and answer 999 emergency calls and ambulance urgent calls.
Emergency medical systems operators are employed by UK's North East Ambulance Service and answer 999 emergency calls and ambulance urgent calls.
Emergency radio
An emergency radio is, broadly speaking, a radio receiver designed to remain functional in cases of power outage or isolation from contact with civilization.
An emergency radio is, broadly speaking, a radio receiver designed to remain functional in cases of power outage or isolation from contact with civilization.
Filipino Monkey
"Filipino Monkey" is a taunt used by radio pranksters in maritime radio transmissions since at least the 1980s, especially in the Persian Gulf.
"Filipino Monkey" is a taunt used by radio pranksters in maritime radio transmissions since at least the 1980s, especially in the Persian Gulf.
FireLink
FireLink or Firelink is a new wide area radio system being introduced in England, Wales and Scotland for the fire service.
FireLink or Firelink is a new wide area radio system being introduced in England, Wales and Scotland for the fire service.
Flare (pyrotechnic)
A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion.
A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion.
General emergency signal
The general emergency signal is a signal used on board cruise ships in times of emergency.
The general emergency signal is a signal used on board cruise ships in times of emergency.
Global Amateur Radio Emergency Communications Conference
The Global Amateur Radio Emergency Communications Conference or GAREC is a yearly conference held by the International Amateur Radio Union for discussion of amateur radio operation during ...
The Global Amateur Radio Emergency Communications Conference or GAREC is a yearly conference held by the International Amateur Radio Union for discussion of amateur radio operation during ...
Global Maritime Distress Safety System
The Global Maritime Distress and Safety System (GMDSS) is an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols used to increase safety a...
The Global Maritime Distress and Safety System (GMDSS) is an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols used to increase safety a...
HEARO
The HEARO Local Alert Receiver is an emergency management tool to relay and display informational text messages in English, Spanish, French and German using RDS technology.
The HEARO Local Alert Receiver is an emergency management tool to relay and display informational text messages in English, Spanish, French and German using RDS technology.
Hospital emergency codes
Hospital Emergency Codes are used in hospitals worldwide to alert staff to various emergency situations.
Hospital Emergency Codes are used in hospitals worldwide to alert staff to various emergency situations.
Inmarsat-C
Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat.
Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat.
International Code of Signals
The International Code of Signals is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters.
The International Code of Signals is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters.
International distress frequency
An international distress frequency is a radio frequency that is designated for emergency communication by international agreement.
An international distress frequency is a radio frequency that is designated for emergency communication by international agreement.
International Mobile Satellite Organization
The International Mobile Satellite Organization is the intergovernmental organization that oversees certain public satellite safety and security communication services provided via the Inmarsat ...
The International Mobile Satellite Organization is the intergovernmental organization that oversees certain public satellite safety and security communication services provided via the Inmarsat ...
Local storm report
A local storm report (LSR) is transmitted by the National Weather Service of what it receives from storm spotters such as amateur radio operators, storm chasers, law enforcement, civil def...
A local storm report (LSR) is transmitted by the National Weather Service of what it receives from storm spotters such as amateur radio operators, storm chasers, law enforcement, civil def...
Location awareness
Location awareness refers to devices that can passively or actively determine their location.
Location awareness refers to devices that can passively or actively determine their location.
Man overboard
Man overboard is a situation in which a person has fallen from a boat or ship into the water and is in need of rescue.
Man overboard is a situation in which a person has fallen from a boat or ship into the water and is in need of rescue.
Maritime Mobile Service Identity
A Maritime Mobile Service Identity (MMSI) is a series of nine digits which are sent in digital form over a radio frequency channel in order to uniquely identify ship stations, ship earth statio...
A Maritime Mobile Service Identity (MMSI) is a series of nine digits which are sent in digital form over a radio frequency channel in order to uniquely identify ship stations, ship earth statio...
Maritime Operations Centre
The Maritime Operations Centre is a Bermuda government agency to provide support for maritime operations.
The Maritime Operations Centre is a Bermuda government agency to provide support for maritime operations.
Mattie's Call
Mattie's Call is a law enforcement initiated alert system to locate missing elderly, or otherwise disabled persons.
Mattie's Call is a law enforcement initiated alert system to locate missing elderly, or otherwise disabled persons.
Mayday (distress signal)
Mayday is an emergency code word used internationally as a distress signal in voice procedure radio communications.
Mayday is an emergency code word used internationally as a distress signal in voice procedure radio communications.
Medical alarm
A medical alarm is an alarm system designed to signal the presence of a hazard requiring urgent attention and to summon emergency medical personnel.
A medical alarm is an alarm system designed to signal the presence of a hazard requiring urgent attention and to summon emergency medical personnel.
Medical Priority Dispatch System
The Medical Priority Dispatch System (MPDS) is a medically-approved, unified system used to dispatch appropriate aid to medical emergencies including systematized caller interrogation and pre-ar...
The Medical Priority Dispatch System (MPDS) is a medically-approved, unified system used to dispatch appropriate aid to medical emergencies including systematized caller interrogation and pre-ar...
Mountain Locator Unit
A Mountain Locator Unit or MLU is a radio transmitter designed to be used by mountain climbers as an emergency locator beacon when the wearer needs rescue.
A Mountain Locator Unit or MLU is a radio transmitter designed to be used by mountain climbers as an emergency locator beacon when the wearer needs rescue.
Naval flag signalling
Naval flag signalling covers various forms of flag signalling, such as semaphore or flaghoist, used by various navies; distinguished from maritime flag signalling by merchant or other non-naval ...
Naval flag signalling covers various forms of flag signalling, such as semaphore or flaghoist, used by various navies; distinguished from maritime flag signalling by merchant or other non-naval ...
Network-centric emergency notification
Network-centric emergency notification is a method for turning an internet protocol (IP) network and its connected devices into a highly effective alarm system in times of emergency.
Network-centric emergency notification is a method for turning an internet protocol (IP) network and its connected devices into a highly effective alarm system in times of emergency.
Next Generation 9-1-1
Next Generation 9-1-1 (abbreviated NG9-1-1) refers to an initiative aimed at updating the 9-1-1 service infrastructure in the United States and Canada to improve public emergency communica...
Next Generation 9-1-1 (abbreviated NG9-1-1) refers to an initiative aimed at updating the 9-1-1 service infrastructure in the United States and Canada to improve public emergency communica...
Northern 911
Northern 911 (subsidiary of Northern Communications) is a company based out of Sudbury, Ontario, Canada that provides 9-1-1 call centre services for VOIP & POTS providers such as Rogers Tele...
Northern 911 (subsidiary of Northern Communications) is a company based out of Sudbury, Ontario, Canada that provides 9-1-1 call centre services for VOIP & POTS providers such as Rogers Tele...
Notify NYC
Notify NYC is the City of New York’s official source for information about emergency events and important City services.
Notify NYC is the City of New York’s official source for information about emergency events and important City services.
Pan-pan
In radiotelephone communications, a call of three repetitions of pan-pan is used to signify that there is an urgency on board a boat, ship, aircraft, or other vehicle but that, for the time bein...
In radiotelephone communications, a call of three repetitions of pan-pan is used to signify that there is an urgency on board a boat, ship, aircraft, or other vehicle but that, for the time bein...
Public safety network
A public safety network is a wireless communications network used by emergency services organizations, such as police, fire and emergency medical services, to prevent or respond to incidents tha...
A public safety network is a wireless communications network used by emergency services organizations, such as police, fire and emergency medical services, to prevent or respond to incidents tha...
Public-safety answering point
A Public Safety Answering Point, sometimes called "Public Safety Access Point", is a call center responsible for answering calls to an emergency telephone number for police, firefighting, and am...
A Public Safety Answering Point, sometimes called "Public Safety Access Point", is a call center responsible for answering calls to an emergency telephone number for police, firefighting, and am...
Radio Amateur Civil Emergency Service
The Radio Amateur Civil Emergency Service is a standby radio service provided for in Part 97.407 of the Federal Communications Commission rules and regulations governing amateur radio in the Uni...
The Radio Amateur Civil Emergency Service is a standby radio service provided for in Part 97.407 of the Federal Communications Commission rules and regulations governing amateur radio in the Uni...
Radio Amateurs Emergency Network
The Radio Amateurs Emergency Network, also known as RAYNET, is a British national voluntary communications service provided by amateur radio operators.
The Radio Amateurs Emergency Network, also known as RAYNET, is a British national voluntary communications service provided by amateur radio operators.
Radio communications during the September 11 attacks
Radio Communications during the September 11 attacks served a vital role in coordinating rescue efforts by New York Police Department, New York Fire Department, Port Authority Police Department,...
Radio Communications during the September 11 attacks served a vital role in coordinating rescue efforts by New York Police Department, New York Fire Department, Port Authority Police Department,...
Radio Emergency Associated Communication Teams
REACT began as a CB radio Emergency Channel 9 monitoring organization across the United States and Canada in 1962.
REACT began as a CB radio Emergency Channel 9 monitoring organization across the United States and Canada in 1962.
Reverse 911
Reverse 911 is a public safety communications system developed by Cassidian Communications, formerly PlantCML, a unit of EADS North America.
Reverse 911 is a public safety communications system developed by Cassidian Communications, formerly PlantCML, a unit of EADS North America.
Russian Navy Code of Signals
The Russian Navy Code of Signals is a collection of flaghoist signals, which is used together with semaphore alphabet for the transmission of information between the ships of the Russian Navy an...
The Russian Navy Code of Signals is a collection of flaghoist signals, which is used together with semaphore alphabet for the transmission of information between the ships of the Russian Navy an...
Satellite Emergency Notification Device
A Satellite Emergency Notification Device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite s...
A Satellite Emergency Notification Device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite s...
Satellite emergency notification device
A satellite emergency notification device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite s...
A satellite emergency notification device or SEND is a portable emergency notification and locating device which uses commercial satellite systems rather than the COSPAS-SARSAT satellite s...
Satellite phone
A satellite telephone, satellite phone, or satphone is a type of mobile phone that connects to orbiting satellites instead of terrestrial cell sites.
A satellite telephone, satellite phone, or satphone is a type of mobile phone that connects to orbiting satellites instead of terrestrial cell sites.
Search and Rescue Transponder
A Search and Rescue Transponder (SART) is a self contained, waterproof radar transponder intended for emergency use at sea.
A Search and Rescue Transponder (SART) is a self contained, waterproof radar transponder intended for emergency use at sea.
Securite
When a marine radio transmission begins with "Sécurité, sécurité, sécurité" (, from French sécurité), it means that what follows is important safety information.
When a marine radio transmission begins with "Sécurité, sécurité, sécurité" (, from French sécurité), it means that what follows is important safety information.
Ship Security Alert System
The Ship Security Alert System (SSAS) is part of the ISPS code and is a system that contributes to the International Maritime Organization's (IMO)'s efforts to strengthen maritime security and s...
The Ship Security Alert System (SSAS) is part of the ISPS code and is a system that contributes to the International Maritime Organization's (IMO)'s efforts to strengthen maritime security and s...
Ship Security Reporting System
The Ship Security Reporting System (SSRS) is a counter piracy system that has been developed to combat the increasing instances of hijack and ransom on cargo ships predominantly occurring in the...
The Ship Security Reporting System (SSRS) is a counter piracy system that has been developed to combat the increasing instances of hijack and ransom on cargo ships predominantly occurring in the...
Silver Alert
A Silver Alert is a public notification system in the United States to broadcast information about missing persons - especially seniors with Alzheimer's Disease, dementia or other mental disabil...
A Silver Alert is a public notification system in the United States to broadcast information about missing persons - especially seniors with Alzheimer's Disease, dementia or other mental disabil...
Skywarn Europe
Skywarn Europe is a network of volunteer storm spotters throughout Europe based on the U.S. Skywarn program.
Skywarn Europe is a network of volunteer storm spotters throughout Europe based on the U.S. Skywarn program.
SOS
SOS is the commonly used description for the international Morse code distress signal.
SOS is the commonly used description for the international Morse code distress signal.
Spot LLC
In August 2007, Spot LLC announced the introduction of the SPOT Personal Tracker product, the world’s first satellite GPS messenger, to be marketed through its latest subsidiary SPOT, Inc., late...
In August 2007, Spot LLC announced the introduction of the SPOT Personal Tracker product, the world’s first satellite GPS messenger, to be marketed through its latest subsidiary SPOT, Inc., late...
SPOT Satellite GPS Messenger
The SPOT Satellite GPS Messenger is a portable GPS and satellite communication device designed to be carried into remote locations where the user may require emergency assistance.
The SPOT Satellite GPS Messenger is a portable GPS and satellite communication device designed to be carried into remote locations where the user may require emergency assistance.
Storm spotter
A storm spotter is a specific type of weather spotter who actively maintains a visual watch of the development and progression of specific weather events while actively relaying important inform...
A storm spotter is a specific type of weather spotter who actively maintains a visual watch of the development and progression of specific weather events while actively relaying important inform...
Telecommunications for Disaster Relief
Telecommunications for Disaster Relief (TDR) is a proposal by the International Telecommunications Union to establish worldwide standards of interoperability and availability of emergency commun...
Telecommunications for Disaster Relief (TDR) is a proposal by the International Telecommunications Union to establish worldwide standards of interoperability and availability of emergency commun...
Terrestrial Trunked Radio
Terrestrial Trunked Radio is a professional mobile radio and two-way transceiver specification.
Terrestrial Trunked Radio is a professional mobile radio and two-way transceiver specification.
Vessel emergency codes
*Mr. Skylight paged over the PA system is an alert for the crew on board and means there is a minor emergency somewhere.
*Mr. Skylight paged over the PA system is an alert for the crew on board and means there is a minor emergency somewhere.