From Wikipedia, the free encyclopedia Tpf is an ibm real-time operating system for mainframes descended from the ibm system/360 family, including zSeries and System the name is an initialism for Transaction Processing Facility 49.4 Kb. 1
North Atlantic traffic streams Europe early to mid morning local time. Consequently, the diurnal distribution of this traffic, has a distinctive tidal pattern characterised by two peaks passing 30° w the Eastbound centred on 0400 Universal Co-ordinated Time (utc) 180.06 Kb. 1