[1] Software Publishers Association
[2] SPAce - TLA für Leerzeichen,
[3] Software Product Assurance
[4] Signal Processor Assembly (->“NASA Acronym List”)
[5] Space Processing Application (->“NASA Acronym List”)
[6] S-band Power Amplifier (->“NASA Acronym List”)
[7] Shared Peripheral Area (->“NASA Acronym List”)
[8] Spartanburg-Downtown, SC, USA -internationale Fughafen-Kennung