[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