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QCS
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My reception on ... frequency has broken down.
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Aeronautical Code signals
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QCI
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Make a 360-degree turn immediately (turning to the ...).
I am making a 360-degree turn immediately (turning to the ...).
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Aeronautical Code signals
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QCY
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I am working on a trailing aerial.
Work on a trailing aerial.
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Aeronautical Code signals
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QCF
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Delay indefinite. Expect approach clearance not later than ... hours.
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Aeronautical Code signals
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QBS
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Ascend (or descend) to ... (figures and units) height above ... (datum) before encountering instrument meteorological conditions or if visibility falls below ... (distance figures and units) and advise.
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Aeronautical Code signals
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QCB
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Delay is being caused by …
1) your transmitting out of turn.
2) your slowness in answering.
3) lack of your reply to my …
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Aeronautical Code signals
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QST
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–
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Here is a broadcast message to all amateurs.
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Amateur Radio
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QFF
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[At ... (place)] what is the present atmospheric pressure converted to mean sea level in accordance with meteorological practice?
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At ... (place) the atmospheric pressure converted to mean sea level in accordance with meteorological practice is (or was determined at ... hours to be) ... millibars.
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Aeronautical Code signals
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QFD
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1) Is the ... visual beacon [at ... (place)] in operation?
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1) The ... visual beacon [at ... (place)] is in operation
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Aeronautical Code signals
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QUN
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1. When directed to all stations: [AP13,14]
Will vessels in my immediate vicinity ...
(in the vicinity of ... latitude, ... longitude)
(in the vicinity of ...) please indicate their position, TRUE course and speed?
2. When directed to a single station: [AP14]
please indicate their position, TRUE course and speed?
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My position, TRUE course and speed are ...
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All services
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