REPOST: Year 1859 and the use of “73” for Best Regards

REPOST – Original Post Date was 28th March 2008 – link has been updated


Amateurs often are left wondering where some of the traditions & conventions used in Amateur Radio came from.  It is always a surprise to learn that some are 150 years old predating the hobby by many decades.

One often asked is where did 73 as shorthand for “Best Regards” come from and when did it come into use?

WOOD’S PLAN 

OF 

TELRGRAPHIC INSTRUCTION, 

ARRANGED BY THE 

PROFESSORS AND TUTORS 

OF 

“MORSE’S TELEGRAPH INSTITUTE” 

SYRACUSE, N. Y. 

Entered according to Act of Congress, in the year 1864, by 

“ Morse’s Telegraphic Institute “ Association, 

In the Clerk’s office of the District Court for the Northern District 

of New York. 

Has  the citation:

73- Compliments to _____ .

Check out more history of numeric shorthand at:

http://scard.buffnet.net/pages/tele/wurules1866/92code.html  Updated Link: http://www.civilwarsignals.org/pdf/woodsplan.pdf

73

Steve
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