The meaning of the Acronym GCA is...

GCA is

• Ground Controlled Approach
• Ground Control Airborne

More Meanings For GCA:

• Gradual Channel Approximation
• General Classroom Annex
• Global Cash Access
• Greil Conveyor Applications, Inc.
• Graphics Communications Association
• Georgia Canoe Association
• Get Current Axis
• General Communication Area
• Ground Controlled Approach
• Ground Control Airborne
• Ground Controlled Approach
• Ground Controlled Approach
• Geographic Commuting Area
• Giant Cell Arteritis
• Giand Cell Arteritis

GCA is also in:

• Accounting
• Firms
• Military
• NASA
• Oncology
• Physics
• Physiology
• Professional Organizations
• Software
• Telecom
• Transportation
• Universities
• US Government