The meaning of the Acronym SPN is...

SPN is

• Spare Part Number
• Software Project Notebook
• Standard Precision Navigator
• Shuttle Project Notice (KSC)

More Meanings For SPN:

• Separation Program Number
• Signal Processor Network
• Secure Private Network
• Service Principal Names
• Software Project Notebook
• Service Panel Number
• Sequential Phase Number
• Shift Pulse Network
• Single Pole Network
• Spare Part Number
• Switch Panel Network
• Signal Plus Noise
• Signal Processor Network
• Simplest Possible Number
• Shared Processing Network

SPN is also in:

• Electronics
• General
• Mathematics
• Networking
• Ocean Science
• Software
• Telecom