
A signaller, signalman, colloquially referred to as a radioman or signaleer in the
armed forces is a specialist
soldier
A soldier is a person who is a member of an army. A soldier can be a conscripted or volunteer enlisted person, a non-commissioned officer, or an officer.
Etymology
The word ''soldier'' derives from the Middle English word , from Old French ...
,
sailor
A sailor, seaman, mariner, or seafarer is a person who works aboard a watercraft as part of its crew, and may work in any one of a number of different fields that are related to the operation and maintenance of a ship.
The profession of the ...
or
airman
An airman is a member of an air force or air arm of a nation's armed forces. In certain air forces, it can also refer to a specific enlisted rank. An airman can also be referred as a soldier in other definitions.
In civilian aviation usage, ...
responsible for
military communications
Military communications or military signals involve all aspects of communications, or conveyance of information, by armed forces. Military communications span from pre-history to the present. The earliest military communications were delivered b ...
. Signallers, a.k.a. Combat Signallers or signalmen or women, are commonly employed as radio or telephone operators, relaying messages for field commanders at the
front line
A front line (alternatively front-line or frontline) in military terminology is the position(s) closest to the area of conflict of an armed force's personnel and equipment, usually referring to land forces. When a front (an intentional or unint ...
(Army units, Ships or Aircraft), through a
chain of command
A command hierarchy is a group of people who carry out orders based on others' authority within the group. It can be viewed as part of a power structure, in which it is usually seen as the most vulnerable and also the most powerful part.
Mili ...
which includes field headquarters. Messages are transmitted and received via a communications infrastructure comprising fixed and mobile installations.
Duties
In the past, signalling skills have included the use of:
Heliograph
A heliograph () is a semaphore system that signals by flashes of sunlight (generally using Morse code) reflected by a mirror. The flashes are produced by momentarily pivoting the mirror, or by interrupting the beam with a shutter. The heliograp ...
,
Aldis lamp,
semaphore flags
Flag semaphore (from the Ancient Greek () 'sign' and - (-) '-bearer') is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Inform ...
, "Don R" (
Dispatch Riders) and even
carrier pigeon
The homing pigeon, also called the mail pigeon or messenger pigeon, is a variety of domestic pigeons (''Columba livia domestica'') derived from the wild rock dove, selectively bred for its ability to find its way home over extremely long dist ...
s.
Modern signallers are responsible for the battlefield voice and data
communication and information technology
Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications and the integration of telecommunications (telephone lines and wireless signals) and computers, ...
infrastructure or in common English terms, they may carry a backpack radio transceiver used to communicate to forward operating bases (large and small outposts for the military), using a variety of media. All types of wire (line), satellite and
ionospheric radio communication are employed. These include common radio systems such as HF/VHF radio and UHF/SHF radio (operated in line of sight, for example). Cellular radio and telephone systems such as
TETRA
Terrestrial Trunked Radio (TETRA; formerly known as Trans-European Trunked Radio), a European standard for a trunked radio system, is a professional mobile radio and two-way transceiver specification. TETRA was specifically designed for use by ...
are also becoming common.
In addition to day-to-day soldiering, the signaller is required to be competent at a number of skill levels in the following topics:
*Maintaining Power Supplies (Batteries and Charging for example)
*Radio sets; storage and logistics; installation and operation; maintenance and repair at unit level.
*Station Organisation; Managing Radio Nets and Maintaining Net Discipline for example, map marking, log keeping etc.
*Voice and wireless telegraphy procedure (using Morse code or RATT (
Radio assisted Teletype) for example). Formal message procedure, electronic mail.
*
Electronic Warfare
Electronic warfare (EW) is any action involving the use of the electromagnetic spectrum (EM spectrum) or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. The purpose of electronic warfare is to deny the opponen ...
(EW);
Communications Security (COMSEC) - including the encryption and deciphering of coded messages using paper/voice and electronic codes for example.
*
Telephone and Line
*Information and Communication Technology
*Antennae selection and design
Air Forces
In an
air force
An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ar ...
, a signaller, an
aircrew member, is a person trained to
communicate between the aircraft, its base and units in the area of operation, by means of
radio
Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transm ...
or other digital communications.
Navy Forces
In the
navy
A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It include ...
, a signaller is usually a
seaman trained to
communicate between the fleet forces and naval bases in the area of operation, by means of
radio
Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transm ...
or other digital communications.
Armies
Australia
In the
Australian Army
The Australian Army is the principal Army, land warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Royal Australian Air Force. The Army is commanded by the Chief of Army (Austral ...
, a signaller is often referred to as a Chook (Australian Slang for Chicken) by soldiers outside the Signal Corps, because the Morse code used by Signallers has been likened to the chirping of chickens.
Canada
In the
Canadian Army
The Canadian Army (french: Armée canadienne) is the command (military formation), command responsible for the operational readiness of the conventional ground forces of the Canadian Armed Forces. It maintains regular forces units at bases acr ...
, a signaller is often referred to as a "Jimmy" in reference to the flag and cap badge feature
Mercury (Latin: Mercurius), the winged messenger of the Roman gods, who is referred to by members of the corps as "Jimmy". The origins of this nickname are unclear. According to one explanation, the badge is referred to as "Jimmy" because the image of Mercury was based on the late medieval bronze statue by the Italian sculptor
Giambologna
Giambologna (1529 – 13 August 1608), also known as Jean de Boulogne (French), Jehan Boulongne (Flemish) and Giovanni da Bologna (Italian), was the last significant Italian Renaissance sculptor, with a large workshop producing large and small ...
, and shortening over time reduced the name Giambologna to "Jimmy". The most widely accepted theory of where the name Jimmy comes from is a Royal Signals boxer, called Jimmy Emblem, who was the British Army Champion in 1924 and represented the
Royal Corps of Signals
The Royal Corps of Signals (often simply known as the Royal Signals – abbreviated to R SIGNALS or R SIGS) is one of the combat support arms of the British Army. Signals units are among the first into action, providing the battlefield commun ...
from 1921 to 1924.
Signallers in Canada are responsible for the majority of radio, satellite, telephone, and computer communications within the Canadian military.
Trained signallers of the rank of
private in Canada are referred to as "Sig" as a replacement for private (i.e. Sig Smith).
United Kingdom
In the
British Army
The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gur ...
, signaller may refer to a member of the
Royal Corps of Signals
The Royal Corps of Signals (often simply known as the Royal Signals – abbreviated to R SIGNALS or R SIGS) is one of the combat support arms of the British Army. Signals units are among the first into action, providing the battlefield commun ...
specifically to the rank of
Signaller (formerly Signalman) or a trained signals specialist in other areas of the army such as the
Infantry
Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized infantry, airborne infantry, air assault infantry, and m ...
or
Royal Artillery
The Royal Regiment of Artillery, commonly referred to as the Royal Artillery (RA) and colloquially known as "The Gunners", is one of two regiments that make up the artillery arm of the British Army. The Royal Regiment of Artillery comprises t ...
. The rank is equivalent to that of
Private.
[ ]
Modern age

See also:
Land Mobile Radio System,
Walkie-Talkie
A walkie-talkie, more formally known as a handheld transceiver (HT), is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gros ...
,
Transceiver
In radio communication, a transceiver is an electronic device which is a combination of a radio ''trans''mitter and a re''ceiver'', hence the name. It can both transmit and receive radio waves using an antenna, for communication purposes. The ...
The US and European powers, especially during World War 1 and World War 2, have employed extensive use of field telephones and other methods of transmitting messages like carrier pigeons,
runners
Running is a method of terrestrial locomotion allowing humans and other animals to move rapidly on foot. Running is a type of gait characterized by an aerial phase in which all feet are above the ground (though there are exceptions). This is ...
were essentially army messengers and couriers that ran from place to place, culminating in the extensive World War 2, Korea and Vietnam use of the backpack transceiver, eventually becoming unit-based radio and unit-to-HQ based field "telephone".
Specially designated soldiers in a unit would and still do, have a single soldier with a backpack transceiver and large telescoping antennae that can be as tall as 10 meters or 20 feet.
It is also called RTO, which stands for "Radio Telephone Operator". At the field, soldiers usually call them RTO, rather than Signaller. They are soldiers specializing in military communications in the military, mainly operating wired/wireless communication equipment or sending telegrams to commanders from the front line according to the command line, including field headquarters and control agencies.
External links
*
Runner (soldier)
References
{{Reflist
Combat support occupations