There are, by his count, 15 such “Stratum One”-level Network Time Servers (NTP) (one level down from an atomic clock. Zac covers Apple news and product reviews for 9to5Mac and hosts the weekly 9to5Mac Happy Hour podcast. There are, by his count, 15 such “Stratum One”-level Network Time Servers (NTP) (one level down from an atomic clock. Zac covers Apple news and product reviews for 9to5Mac and hosts the weekly…