Web Reference: Oct 25, 2013 · The usage of "73" for such a purpose comes from the Phillips Code, originally devised in the era of telegraphs to speed up transmission of common messages by mapping them to numbers. "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 ... A folded dipole will increase this impedance to the square of the number of parallel elements (for the ultralite sr. with 3 parallel elements, I calculate 9 * 73 = 657 ohms impedance). The best thing to do is to listen for a while, and notice which stations are being responded to. Sometimes operators will prematurely respond with their callsign, without waiting to hear if the other station has finished broadcasting, another bad habit. It's about 80% timing and 20% luck! And, as always, good luck and 73!
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73 Setusercharsize Built In Function Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $75M - $94M
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Last Updated: April 12, 2026
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