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SECURITY. INFORMATION *
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a: To avoid interfering with other ‘paftio,s
‘an operator“ghell
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liaten in to make certain that |a circuit is clear before@ malcing an trans- a
_ missions thereon.
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- 20, Betablishing ccmnionticie: re
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Signal Strongth and Readability
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ae “A ‘station is understood to have good signal: strength. and
readability unless otherwise notified. Strength of signals and readabil— ,
ity will not be exchanged unless one station cannot clearly hear another
station.°
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Bess
er peraTery
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Before conducting regular traffic over radiotelephone circuits ,
‘4t may be necessary to make contact with the other station (s) involved
to acsertain that communications. is possible. Sa,
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A station that ‘wdishes to inform another of his cague stvength
and readability will-de so by means of a short and concise report of actual
reception, such as "Weak, but readable", "Strong, ‘put distorted", "Loud and
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clear", ste. Reports such as "Fiveby five", ‘"Four by four", etes, will ©
not be used to indicate strength and quality.of reception: A station desir~
‘ing .to know how his transmission is being received will transmit-"How-do” -
you h| ear me?", What is my: meadapiiity™s “Report my,y signals", ote.a oe