Symbols - Graphic portrayal - Catalog - Tactical information - Military symbologyThe Tactical Symbology Catalog is a hard copy version of an automated symbol data base. The data base contains over 1,000 military tactical symbols from over 15 sources including the Army Standard FM 21-30, NATO D...
Floyd M. BelroseAugustus H. Green Jr.USUS4249175 * Sep 4, 1979 Feb 3, 1981 The United States Of America As Represented By The Secretary Of The Army Electronic symbology generation for radar plan position indicator (PPI) displays using rotating coils...