What may not be apparent from this list is that the old “end and end” cliché is just plain wrong. It’s either “over” or “off”. Likewise, “Roger Wilco” is silly. Roger means “I heard and understood you” (but I may not do what you say), while “wilco” means “I heard and understood you and will do what you ask.”
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To take this a step further, some may know “Roger” as part of the full answer “Roger Wilco”. Translated into typical English, this phrase actually means “Receive will correspond.”
“Wilco” is short for “will comply” and means that the speaker will follow the instructions given to him. They used to sign out with “Roger, wilco, over and out.”
To indicate that a message was heard and understood—that is, received—a service agent replied to Roger, later expanded to Roger that, referring to the message. In military jargon, the phrase Roger wilco is transmitted, the recipient received the message and will comply with his orders, abbreviated to wilco.
Sometimes the radio operator is also the person addressed (e.g. an airplane pilot). This person might add the answer “Wilco”, which is short for “will comply“. The term “via” is used in radio (or even telephone) communications when only one person can (successfully) speak at a time.
It may not be apparent from this list that the old “end and end” cliché is just plain wrong. It’s either “over” or “off”. Likewise, “Roger Wilco” is silly. Roger means “I heard and understood you” (but might not do what you say), while “wilco” means “I heard and understood you and will do what you ask.”
Delta becomes Data, Dixie or David at busy airports by Delta Air Lines to avoid confusion with the airline call sign. Lima becomes London in Brunei, Indonesia, Malaysia and Singapore, where “lima” means five. Whiskey becomes White or Washington in Muslim countries where alcohol consumption is prohibited.
The two should never be used as part of the same transmission. Lufthansa has largely dispensed with both “over” and “out” and relies on an almost ritualized word structure, combined with tone and rhythm to achieve the same effect. They are still used in military and maritime environments.
It means that you expect an answer, as in “Your turn” or “The ball is yours”. And that’s why “over and out” doesn’t make sense in a radio conversation. “Over” means you expect more; “Away” means the conversation is over and you’re going away now to not be heard.
Copy. “Copy” has its origins in Morse code communication. Morse code operators listened to transmissions and immediately wrote down each letter or number, a technique called “copying.” Once voice communication became possible, “copy” was used to confirm whether a transmission was received.
roger/roger that
Meaning: Message received. Origin: NATO phonetic alphabet – an earlier version of the alphabet used “Roger” to denote the letter R. Fun Fact: Now they use “Romeo.”
Copy/Copy that: “Copy” is also used to confirm that information has been received. The difference between Roger and Copy is that the former is used to confirm an instruction (which requires an action) while the latter is used to confirm some information (which may not require an action). Negative: Means “NO”.
10-4 is an affirmative signal: it means “OK”. The tens codes are attributed to Illinois State Police Communications Director Charles Hopper, who developed them between 1937 and 1940 for use in the Radio communication created among police officers. Ten Four Day ~ For decades, the 4th of October has been a day to salute radio operators.
While R is now Romeo in the current spelling alphabet (NATO), Roger has remained the answer, meaning “received” in radiotelephony. It is common practice in the US military to respond to someone else’s assertion with “Roger that” meaning “I agree”.
Procedure Words (abbreviated as Prowords) are words or phrases specific to cellular phone procedures, designed to facilitate communication by conveying information in a shortened, standard verbal format.
The International Civil Aviation Organization (ICAO) officially defines the word “roger” as “I received your entire transmission”. For example, a pilot would say “roger” in response to an instruction from air traffic control.
Never say “repeat” on the radio because the military uses the term to tell soldiers to shoot at an enemy combatant. Instead, use the term “say again” to ask someone to repeat themselves.
Phonetic Alphabet
This is to avoid possible confusion between letters if you just said the letter itself. For example, the letters B and V could easily be confused when spoken on the radio. If we say “Bravo” or “Victor” instead, it’s almost impossible to confuse the two.
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