Raspberry Pi GPS NTP Server

Raspberry Pi NTP server (lower)

NTP time server for local networked computers.
Raspberry Pi model B (bottom RPi in photo. Top RPi is a web server under construction.)
u-blox NEO-6M GPS module with internal antenna (need to be moved outdoor next)

Updates:
Dec 7, 2014
Changed over to  a Trimble GPS antenna, P/N 28367-00. This did not happen as I was using it for my Ultimate 3 MEPT.
May 16, 2015
Updated photo.