What does PATC stand for?

Page Address Translation Cache (SAUS)

Pain-Anxiety-Tension Cycle (MELL)

Paroxysmal Atrial - or Auricular Tachycardia - Medicine

PATCLASS - Pergamon ORBIT InfoLine, Inc. - No longer available online - Information service or system (CRD)

Pioneer Automobile Touring Club (EA)

Port Authority Transit Commission - Federal Railroad Administration identification code

Potomac Appalachian Trail Club (EA)

Professional, Administrative, Technical, and Clerical - Bureau of Labor Statistics survey

Professional Air Traffic Controller (SAUS)

Tin City Air Force Station - Alaska - ICAO location identifier (ICLI)