PA
[1] Präambel - Startzeichenfolge für einen Datenblock[2] Protocol Adaptor - Protokolladapter(-karte)
[3] Public Address
[4] Product Analysis
[5] Power Amplifier
[6] Pilotless Aircraft
[7] Pendulous Axis
[8] Program Address
[9] Protected Area
[10] Program Authorization
[11] Pulse Amplifier
[12] Power Alarm
[13] Private Account
[14] Process Alert
[15] Public Address
[16] Precision Architecture (HP)
[17] Parallel Architecture
[18] Position Angle - Winkelangabe, 0 entspr. Nord \{Astronomie\}
[19] Pad Abort
[20] Public Affairs
[21] Pennssylvania - USA-Staatenkürzel
[22] "ISO3166" 2LA ( = Ländercode bzw. TopLevelDomain) für Panama
[23] Autokennzeichen für Stadt und Kreis Passau, Bayern
[24] Polyamid