. : i wee etaye fone stow . (2) Adherence to prescribed proceduie is mandatory, . , _ oo * . (3) The following besic rules are, 5 essential to tranamission . security and shall’ be strictly¢enforced on all Badion telephone circuits, ke ot ~ po F . (a) . a : - , Un-— “4n does not cover a specific operating requirement, re= sorting to initiative end common sense should suffices . ce } wet ty EM st eT ao ire ee. Re Peet Es aeae 2 a ie, SO . authorized depertures from or variations in prescribed . woo, - procedure invariably create confusion,’ reduce. reliabilne |, dty andspeed, tend to nullify security precautions, — fe - and are’ prohibited. If the procedure prescribed heres Pon i =oe ae oo : a ‘ No transmission shall be made which: has not beenputhorized by proper authoritye . : (by The‘following practices ‘are spocticatiy|forbidden. So 7“Le.“Vaclation of radio silences:me “2.“Unofficial conversation between’‘operators.cs : tl rep ay ” 3. ‘Excessive. tuning end testing. Ce ‘he “Transmitting the operator’ s personalcinor ae ee cos 7 names... : , a ’ in piace a Oe ‘Wnauthortzed ‘use ofF platn'Laingusge so of"applicable Provorde. orr operating elgnals.: oe ‘