Word in Definition. Freebase 0. Suggested Resources 0. How to pronounce QNH? Alex US English. David US English. Mark US English. Daniel British. Libby British. Mia British. Karen Australian.
Hayley Australian. Natasha Australian. Veena Indian. Priya Indian. Neerja Indian. Zira US English. Oliver British. Wendy British. Fred US English. Tessa South African. How to say QNH in sign language? Popularity rank by frequency of use QNH Select another language:. Please enter your email address: Subscribe.
Discuss these QNH definitions with the community: 0 Comments. Notify me of new comments via email. It dates back to the early days of navigation when the main communication method was morse code through the radiotelegraph. The aircraft, wanting the atmospheric pressure for altimiter calibration, would basically ask the ground station "I have a question - what is the atmospheric pressure at normal height?
So, because this question was so frequently required - and therefore an awful lot to communicate through morse code - it was abbreviated. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Learn more. Ask Question. Asked 7 years, 4 months ago. Active 5 years, 9 months ago. Viewed 14k times. But what is the origin of the "Q" code names? Improve this question. Add a comment. Active Oldest Votes. Improve this answer. But from memory: It dates back to the early days of navigation when the main communication method was morse code through the radiotelegraph.
I presume the other Q codes evolved in a similar manner. Ben Ben Can anyone think of anything it could stand for, so it's easier for people to remember? With reservation for the exact literal meaning. Without having a reference for this Q-code origin, I believe this statement is a back formation. I will look forward to being proved wrong, however
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