What does 73 stand for?

The list of 73 abbreviation meanings.

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2
Best Regards(Morse aids, Morse code, Radio)
For more, try 73 on ALL ACRONYMS DICTIONARY
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APASmart Define. (2017). 73. Retrieved September 28, 2026, from http://smartdefine.org/73/abbreviations/f/Telecom
ChicagoSmart Define. 2017. "73" http://smartdefine.org/73/abbreviations/f/Telecom (accessed September 28, 2026).
HarvardSmart Define 2017, 73, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/73/abbreviations/f/Telecom>.
MLASmart Define. "73" 5 October 2017. Web. 28 September 2026. <http://smartdefine.org/73/abbreviations/f/Telecom>