GPS-Status Data allows you to check GPS signal quality test GPS module satellites count signal quality.
Satellite positions in the sky (skyview) shown on a rotating compass
Get information returned from GPS satellites with Checking Satellite! View coordinates number of available satellites satellite time satellite signal to noise graph dynamically satellite positions are plotted relative to your location and other GPS statistics. Your coordinates are displayed in satellite view of the Earth.

.GPS receiver signal strength or signal to noise ratio

.Supports GPS GLONASS GALILEO SBAS BEIDOU and QZSS satellites.

.Coordinate Grids
Dec Degs Dec Degs Micro Dec Mins Deg Min Secs UTM MGRS USNG

.Dilution of Precision
HDOP (Horizontal) VDOP (Vertical) PDOP (Position)

.Local and GMT time
.Sunrise sunset Official Civil Nautical Astronomical