This is a
gpsd
server in Singapore, providing NTP service over IPv6 since 2012.
The hardware is a
Sure Electronics Development Board.
This machine is maintained by
Sanjeev Gupta.
A filled shape means the satellite was used in
the last fix.
Green-yellow-red colors indicate signal to noise ratio in dBHz green=best,
yellow=fair,
and red=worst.
Circles are GPS and QZSS satellites.
Diamonds indicate augmentation (SBAS, WAAS, etc.) satellites.
Triangles pointing up are Galileo satellites.
Triangles pointing down are BeiDou satellites.
Squares are GLONASS satellites.