[1] Harald's Archiver Programm - Shareware-Archiver unter DOS

[2] Host Access Protocol (RFC1221)

[3] Hardware Allocation Panel

[4] Hazardous Air Pollutant

[5] High-Altitude Platform

[6] High-Altitude Probe

[7] High-speed Arithmetic Processor

[8] Honeywell Array Processor

[9] Happy Bay, Australia - internationale Fughafen-Kennung