In wartime, monitoring an adversary's communications can be a valuable form of intelligence. Consistent call signs can aid in this monitoring, so in wartime, military units often employ tactical call signs and sometimes change them at regular intervals. In peacetime, some military stations will use fixed call signs in the international series. Call sign - U.S. Army. The United States Army uses fixed call signs which begin with W, such as WAR, used by U.S. Army Headquarters. ...

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Military call signs

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Broadcast call signs

Call sign - North America. Main articles: North American call sign, and [[{{{2}}}]], and [[{{{3}}}]], and [[{{{4}}}]]See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Broadcast call signs

Most airlines employ a distinctive and internationally recognised call sign that is normally spoken during airband radio transmissions as a prefix to the flight number. The flight number is normally that published in their public timetable and appearing on the arrivals and departure screens in the airport terminals served by that particular flight. In cases of emergency, the airline name and flight number, rather than the individual aircraft's regi ...

Read more here: » Airline call sign: Encyclopedia - Airline call sign

In broadcasting and radio communications, a call sign (also known as a callsign or call letters, or abbreviated as a call) is a unique designation for a transmitting station. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even cryptographically encoded to disguise a station's identity. Call sign - International series. Main articles: International Callsign AllocationsIncluding:

Call sign - International series Call sign - Aviation Call sign - Ships and Boats Call sign - Amateur radio Call sign - Broadcast call signs
Call sign - North America Call sign - Australia Call sign - Europe/Asia
Call sign - Military call signs
Call sign - U.S. Army Call sign - U.S. Air Force Call sign - U.S. Navy/Coast Guard
Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia - Call sign

Call signs in aviation are derived from several different policies, depending on the type of flight operation being conducted, and depending on whether the caller is in an aircraft or at a ground facility. In most countries, unscheduled general aviation flights identify themselves using the call sign correseponding to the aircraft's registration number (also called N-number in the U.S., or tail-number). In this case, the call sign is spoken using the ICAO phonetic alphabet. Aircraft registration numbers internationally follow t ...

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Aviation

Call signs in aviation are derived from several different policies, depending on the type of flight operation being conducted, and depending on whether the caller is in an aircraft or at a ground facility. In most countries, unscheduled general aviation flights identify themselves using the call sign correseponding to the aircraft's registration number (also called N-number in the U.S., or tail number). In this case, the call sign is spoken using the ICAO phonetic alphabet. Aircraft registration numbers internationally follow t ...

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Aviation

Air Traffic Control (ATC) is a service provided by ground based controllers who direct aircraft on the ground and in the air to ensure safe, orderly and expeditious traffic flow. In the United States, the Federal Aviation Administration (FAA) provides this service to all aircraft in the National Airspace System (NAS). The FAA is responsible for all aspects of U.S. Air Traffic Control including hiring and training ...

Including:

Air traffic control - Terminal Control
Air traffic control - Ground Control Air traffic control - Local Control Air traffic control - Clearance Delivery Air traffic control - TRACON Control
Air traffic control - En-route Control
Air traffic control - Visual flight rules VFR Air traffic control - Instrument Flight Rules IFR Air traffic control - General Characteristics Air traffic control - Radar Coverage
Air traffic control - Problems
Air traffic control - Traffic Air traffic control - Weather
Air traffic control - Call signs Air traffic control - Technology Air traffic control - Major Accidents Air traffic control - Air Traffic Control Internationally Air traffic control - Air Navigation Service Providers ANSPs Air traffic control - Related Topics

Read more here: » Air traffic control: Encyclopedia - Air traffic control

Sign can denote any of the following: In astrology sign is often used to mean the Sun sign. In communication sign or signing refers to communicating via hand gestures, such as sign language. In computing, the digits where one bit among them tells the number is either negative or non-negative are called signed, otherwise unsigned. See also: Signedness In divination a sign is an omen, an event or occurrence believed to fortell the future. In lingu ...

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In astrology, a dwadasama, which is also called a dwad, duad or dwadachamsha is 1/12th of a zodiacal sign. The dwadasama was developed by Hindu astrologers who broke the 30 degree sign down into 12 equal parts of 2.5 degrees each. It is based upon the principal of the part being a reflection of the whole, and 12 signs of the zodiac were placed within the confines of one sign. It is believed that these signs within a sign, by virtue of their planetary rulers, account for subtle shadings of expression found in different de ...

Read more here: » Dwadasama: Encyclopedia - Dwadasama

In astrology, a fire sign refers to any of the three signs Aries, Leo or Sagittarius. In earlier astrology, the fire signs were often called bitter to contrast with the "sweet" air signs. According to astrological theory, fire signs represent the life-giving and vital force of the zodiac. The fire signs are termed positive and extroverted, and are supposed to be active, dynamic and highly energetic. They are seen as the inventors, leaders and pioneers within humanity, possessing an assertive quality that allows them to ac ...

Read more here: » Fire sign: Encyclopedia - Fire sign

Call capture is a term used to describe a lead generation technology that notifies by pager, text message or Email an end user of the name, phone number and address when someone calls their 800 number. Real estate agents for example might display their 800 call capture phone number on a signrider (small, sometimes 12 x 30 sign that sits on top of the For Sale sign in a house owners yard), with a call to action like "Free Recorded Information – Call 24 hours". When someone drives by, notices the sign, writes the phone n ...

Read more here: » Call capture: Encyclopedia - Call capture

International call signs are formal, semi-permanent, and issued by a nation's telecommunications agency. They are used for amateur, broadcast, commercial, maritime and sometimes military radio use (including television in some countries). Each country has a set of alphabetic or numeric International Telecommunication Union-designated prefixes with which their call signs must begin. For example: The United States uses the prefixes: W, K, N, and AAA to ALZ. Only W and K are u ...

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - International series

WPMI is the call sign of two broadcast stations in Mobile, Alabama under the ownership of Clear Channel Communications. TV station WPMI-TV 15 (DTV 47) Radio station WPMI-AM 710 ...

Read more here: » WPMI: Encyclopedia - WPMI

Clinical Depression is state of sadness or melancholia that has advanced to the point of being disruptive to an individual's social functioning and/or activities of daily living (ADLs). The diagnosis may be applied when an individual meets a sufficient number of the symptomatic criteria for the Depression spectrum as suggested in the DSM-IV-TR or ICD-9/10. It is important to note that an individual may suffer from what is termed a "clinical depression" without fully meeting the criteria for a specific diagnosis on the Depression spect ...

Including:

Clinical depression - Signs and symptoms Clinical depression - Types of depression Clinical depression - Anxiety and Stress in Depression Clinical depression - Mania and Hypomania in Depression Clinical depression - Causes of depression Clinical depression - Treatment
Clinical depression - Medication Clinical depression - Psychotherapy Clinical depression - Transcranial magnetic stimulation Clinical depression - Vagus nerve stimulation Clinical depression - Electroconvulsive therapy Clinical depression - Other methods of treatment Clinical depression - Old methods
Clinical depression - Relapse Clinical depression - Books
Clinical depression - Books by psychologists/psychiatrists Clinical depression - Books by persons suffering or having suffered from depression
Clinical depression - Sources

Read more here: » Clinical depression: Encyclopedia - Clinical depression

March is the third month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. March begins (astrologically, non-sidereal) with the sun in the sign of Pisces and ends in the sign of Aries. Astronomically speaking, the sun begins in the constellation of Aquarius and ends in the constellation of Pisces. In ancient Rome, March was called Martius, so named after the Roman god of war and ...

Including:

March - Events in March March - Trivia

Read more here: » March: Encyclopedia - March

In medicine, clubbing (or digital clubbing) is a deformity of the fingers and fingernails that is associated with a number of diseases, mostly of the heart and lungs. Idiopathic clubbing can also occur. Hippocrates was probably the first to document clubbing as a sign of disease, and the phenomenon is therefore occasionally called Hippocratic fingers. Clubbing - Signs and diagnosis. Clubbing develops in five steps:[1]Including:

Clubbing - Signs and diagnosis Clubbing - Disease associations
Clubbing - Isolated clubbing Clubbing - HPOA Clubbing - Primary HOA
Clubbing - Pathophysiology

Read more here: » Clubbing: Encyclopedia - Clubbing

Veterans Day, formerly called Armistice Day in commemoration of the signing of the Armistice ending World War I, is the anniversary of the signing of the World War I Peace Treaty. In the United States it is celebrated as a federal holiday on 11 November. All major hostilities of World War I were formally ended at the 11th hour of the 11th day of the 11th month of 1918 with the German signing of the Armistice. Armistice Day was first commemorated by President Wilson in 1919, and many states made it a legal holiday. Congress pass ...

Read more here: » Veterans Day: Encyclopedia - Veterans Day

Amateur radio call signs are in the international series and normally consist of a one- or two-character prefix, a number (which sometimes corresponds to a geographic area within the country), and a 1, 2, or 3 character suffix. The number following the prefix is normally a single number (0 to 9). Some prefixes, such as Djibouti's (J2), consist of a letter followed by a number. Hence, in the hypothetical Djibouti call sign, J29DBA, the prefix is J2, the number is 9, and the suffix is DBA. Others ma ...

See also:

Call sign, Call sign - International series, Call sign - Aviation, Call sign - Ships and Boats, Call sign - Amateur radio, Call sign - Broadcast call signs, Call sign - North America, Call sign - Australia, Call sign - Europe/Asia, Call sign - Military call signs, Call sign - U.S. Army, Call sign - U.S. Air Force, Call sign - U.S. Navy/Coast Guard, Call sign - Transmitters requiring no call signs

Read more here: » Call sign: Encyclopedia II - Call sign - Amateur radio

An amateur radio station installed in a vehicle is referred to as a mobile station. A typical mobile station is equipped with a transceiver, one or more antennas, and a microphone. The transceiver may be specially designed for installation in vehicles; it may be much smaller than transceivers designed for fixed station use, to facilitate installation under a seat or in a trunk, and it may feature a detachable control head that can be mounted in a separate location from the rest of the radio. Antennas designed for mobile stations must ...

See also:

Amateur radio station, Amateur radio station - Stations and call signs, Amateur radio station - Fixed stations, Amateur radio station - Mobile stations, Amateur radio station - Portable stations, Amateur radio station - Space stations, Amateur radio station - Handheld stations, Amateur radio station - Repeater stations

Read more here: » Amateur radio station: Encyclopedia II - Amateur radio station - Mobile stations