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"When I say 'TIME' it will be exactly 1500. 15 seconds, 10 seconds, 5-4-3-2-1 TIME 1500." ACP 125(G) updates the above procedure as follows: [ 2 ] Stations without the ability to acquire a time signal accurate to at least one second should request a time check at the start of every shift, or once a day minimum.
The military time zones are a standardized, uniform set of time zones for expressing time across different regions of the world, named after the NATO phonetic alphabet. The Zulu time zone (Z) is equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone.
Radio-controlled clock: NIST list of receivers [19] AC-100-WWVB Time Receiver; AC-500-MSF Time Receiver; ClockWatch Radio Sync [20] F6CTE's CLOCK [15] WWV: 2.5, 5, 10, 15, and 20 MHz AM Voice with modified IRIG-Hformat time code on 100 Hz sub-carrier (CCIR code) HF radio and antenna (plus software if automatic updating of computer time is desired)
The specific time at which deployment for an operation commences. (US) L-Day For "Landing Day", 1 April 1945, the day Operation Iceberg (the invasion of Okinawa) began. [5] M-Day The day on which mobilization commences or is due to commence. (NATO) N-Day The unnamed day an active duty unit is notified for deployment or redeployment. (US) O-Day
At the end of the timecode, the serial line is idle until the start of the next code. There is no idle time between other characters. IRIG J-2 timecode consists of 17 characters (170 bit times), sent 10 times per second at a baud rate of 2400 or greater: <SOH>DDD:HH:MM:SS.S<CR><LF> This is the same, except that tenths of seconds are included.
Radio transmission received; does not indicate compliance or reaction. Rolex (±time) Time-line adjustment in minutes from planned mission execution time. (Positive is later). Roman Candle Nuclear tipped surface to air missile. Rope Illumination of an aircraft with an IR pointer.
Allied Communications Publications are documents developed by the Combined Communications-Electronics Board and NATO, which define the procedures for communicating in computer messaging, radiotelephony, radiotelegraph, radioteletype (RATT), air-to-ground signalling (panel signalling), and other forms of communications used by the armed forces of the five CCEB member countries and/or NATO.
The 24-hour clock is used in military, public safety, and scientific contexts in the United States. [4] It is best known for its use by the military and is therefore commonly called "military time". In U.S. military use, 24-hour time is traditionally written without a colon (1800 instead of 18:00).