O Oo a) , haherence to proscribed ‘procedure is mandatory, Une ° Loe authorized departures from or variations in prescribed ~ ~ "ly. . + procedure invariably create confusion, reduce reliabil~ mo “+ "Sty and speed, tend to nullify security precautions, et hE ye. . and are prohibited. If the procedure prescribed here_ See eee - dn does not cover a specific operating requirement, .. «_ ms Tat ot a cet . ‘ resorting to initiative and eomnen sense Should suffice. 2 _ (3) The following basic rules are“essential to transmission a . security and shall be strictly enforced on all radio- telephate circuits. (a) Mo transmission shall be made which has not been authorized by proper authority, ee . , - pe geet 1 } os de Violation of radio silence, "M ae 4 _— : .. wt vee 3 Excessive toning and testing. TN ar De - “* 5 oso -aed . - _ , i ~ ~ . wee . : of applicable Frowords. or operating signals. et a . a Vert S a . sre de Transmitting the operator's personel cior 2 ke 4 . 5 é“Use of other: ‘than authorized provords. .s Base weyr aa ot . ot de ‘Unauthorized“use of ‘plain‘Language. Fg eg ogre aes CRS gc aae : nytt 5. “tnauthoriged use “of plain “language in aes- OE F 3 -. -"Tnokticial”‘cénvorsation between operators. z= ‘o me me _ name. : . (6) The following practices ere, specifically forbidden: Pa E . . - cee m me Le Be, Linkage or compromise of classified cell signs ca Rr “1: and address groups byplain language disclo‘ ., "2 + sures orassociation with unclassified callSO Signs. es a y wet ty -oLae ok _ 2 Profane,4 indecent,» or‘cbocene ‘Tanguages oe Use.of‘excessive v trenestthing power, ‘Becessive time consumed in tuning, changing ‘frequency, or adjusting equipment. Traneting at specds beyond the cnpebiitttes ofanes: gperatores Spe vs oy“When‘necessary,te ‘Sdent:ity any’Letter ‘Ofthe ‘alphabet, ° oar 9 ORs 2the. Phonetic Alphabet listed below shall be useds: ‘ 19 20 oShnsin = CHAPLIE, eae See OS eo ee= age >,