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Roost Air Lounge => The Classroom => Topic started by: Lars on October 11, 2010, 04:03:58 AM

Title: acronym
Post by: Lars on October 11, 2010, 04:03:58 AM
Does someone know what , QNH, QNE , QFE and QFF stands for?

I don't what to know QNE = standard pressure 1013,25hPa that I know , but what mean each leather ? in the acronym?
Title: Re: acronym
Post by: Oddball on October 11, 2010, 09:06:45 PM
If I remember right Q stands for the airfield/airport
Title: Re: acronym
Post by: Franz on October 11, 2010, 10:03:59 PM
The individual letters do not have any meaning, those Q-codes ( are just a bunch of random letters and were used for communication in Morse code and some of them are still used today, in aviation mostly for radio navigation and altimeter settings .
Title: Re: acronym
Post by: Lars on October 12, 2010, 03:55:44 AM
I don't know what happened but some people was having some problems to post in the topic

I received a great replay as a personal message

The Q code was a series of Moris code shorthands
The letters were added alphabetically as new ones were created.
They do not mean anything.
First Twelve Q Codes Listed in the 1912 International Radiotelegraph Convention Regulations
Code Question
QRA What ship or coast station is that?

QRB What is your distance?

QRC What is your true bearing?

QRD Where are you bound for?

QRF Where are you bound from?

QRG What line do you belong to?

QRH What is your wavelength in meters?

QRJ How many words have you to send?

QRK How do you receive me?

QRL Are you busy?

QRM Are you being interfered with?

QRN Are the atmospherics strong?
These are the aviation codes that I have come across

QNH - barometric pressure (altimeter setting) reduced to sea level

QNE - altimeter set standard 1013.2 hPa, or 29.92 inches or 760 mm

QFE - station pressure at ground level

QFF - same as QFE but including a temperature correction

QDR - magnetic bearing FROM a station

QDM - magnetic bearing TO a station ... like you wrote

QTE - true bearing FROM a station

QUJ - true bearing TO a station

QGO - airport closed (could be visibility below minimums or technical)

QFU - active runway

QTR - zulu time check

QRX - stand by (radio comm or telegraphy)

QSY - change frequency to...

QAN - wind direction (magnetic) and speed (knots or kph)

QBA - visibility in meters

QBB - ceiling (feet or meters)

QMU - temperature Celsius

QTH - geographical location coordinates (in degrees)


I'm glad that you replay me ,

it would be easy to memorize it if the latter had a meaning,

I received that replay as  personal msg i'm not posting the author because in the mail came his true name and I don't know if I can tell it here
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