questions of the SM1 and SMC examinations. The writer has a . detailer is an out-of-date duty preference card. Let's face it Don't spell out numbers; record them as figures. AMP°. " .4GEMMIffiliiiiiinhabs. AMMEZNIME11111:151ME keno' min he 4114144. 44 4 ferred to as Q and Z signals) is discussed briefly.