[1] Programmable Device Controller

[2] Primary Digital Carrier

[3] Performance Data Computer (->”IEEE Standard Dictionary”)

[4] Power Distribution Control (->”IEEE Standard Dictionary”)

[5] Premission Documentation Change (->”IEEE Standard Dictionary”)

[6] Project Design Center (NASA)

[7] Primary Domain Controller (Microsoft WINS)

[8] Mueo, New Caledonia - internationale Fughafen-Kennung

[9] Pacific Digital Cellular