The meaning of the Acronym SPA is...

SPA is

• Steering Position Amplifier
• Spare Parts Analysis
• Space Processing Application
• Solar Panel Assembly
• Software Product Assurance
• Small Payload Accommodations
• Signal Processor Assembly
• Shared Peripheral Area
• Servo Power Amplifier
• S-Band Power Amplifier

More Meanings For SPA:

• Stop when Pizza Arrives
• System Physical Address
• Software Publishers Association
• Service Planning Area
• Special Prorate Agreement
• Single Pole Approximations
• School Of Physics And Astronomy
• Students Personal Advisor
• Single Pitch Award
• Sonic Pocket Adventure
• Spam Protection Agency
• Self Propelled Adrenaline
• Samples Per Average
• Summer Performing Arts
• Science Practical Assessment

SPA is also in:

• Assembly
• Awards & Medals
• Drivers
• Funnies
• General
• Physics
• Telecom
• Unfiled
• Unit Measures
• Universities