Derrick1962

San Francisco Police Department ( SFPD ) Unit Designators

Division 3 Patrol

3A (Adam ) Central Station

3B ( Boy ) Southern Station

3C ( Charlie ) Bayview Station

3D ( David ) Mission Station

3E ( Edward ) Northern Station

3F ( Frank ) Park Station

3G ( George ) Richmond Station

3H ( Henry ) Ingleside Station

3I ( Ida ) Taraval Station

3J ( John ) Tenderloin Station

3X ( X-Ray ) District Command Units

Division 4 Traffic , Tactical

4B ( Boy ) Solo Motorcycles A.I.B.

4K ( King ) Solo Motorcycles

4T ( Tom ) Tactical Squad Units