January 6, 1980: GPS week zero
1980 – The first Global Positioning System (GPS) week zero starts. In the GPS system, dates are express as a number for the week of the year and one for the day of the week – For instance, we are in Cycle 1, Week 0541 and Day 02. GPS will recycle every 1,024 weeks (19.6 years).
Wikazine – Full show notes for January 6
- Jack Tramiel steps down as president of Commodore
- Apple introduces the Lisa and Apple IIe
- Liskula Cohen sues Google over Blogger remarks