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- 73 (number) - Wikipedia
73 (seventy-three) is the natural number following 72 and preceding 74 In English, it is the smallest natural number with twelve letters in its spelled out name
- What does ’73’ mean and why do ham radio operators say it?
It’s so popular that you may see ham radio operators sign “73” at the bottom of an email or even social media post The formal definition of 73 is “Best Regards” – it’s a nice way to say goodbye that is unique to amateur radio
- Why do hams often conclude messages with 73?
"73" mapped to "best regards" or "my compliments" and was intended as a general valediction for transmitted messages It is still used for that purpose today in morse code transmissions and often makes its way into everyday correspondence among hams as a form of jargon
- Why is 73 such a special number? | Science Driven
73 is a mirror prime, also called emirp prime, which means that 37 is also a mirror prime 73 is the 21st prime number that exists (and 21 is 7x3), but the number 37 (73 backwards) as mentioned before, is also prime and is also the 12th (21 backwards) prime number
- On the Origin of 73 - Signal Harbor
Many amateurs already know that "73" is from what is known as the "Phillips Code", a series of numeric messages conceived for the purpose of cutting down transmission time on the old land telegraph systems when sending text that is basically the same
- What does 73 mean? - Meaning Of Number
In English, the number 73 has a few different meanings It could be used to express solidarity, to show gratitude, or even to indicate a positive response In this article, I’ll explore the various ways the number 73 can be used in the English language
- What Does 73 Mean in Ham Radio - Amateur Radio Guide
When an operator says “73,” it’s akin to extending a virtual handshake and wishing the other party well It encapsulates the camaraderie that often develops between operators who may never meet in person
- The Significance of “73” in Amateur Radio - TalkpodOnline
In the world of amateur radio, the number "73" holds a special place It is a traditional sign-off term that means "Best regards" or "Best wishes "
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