NetModule NG800, Руководство пользователя

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NG800
User Manual for NRSW version 4.5.0.100
Position
This pages provides further information about the satellites in view and values derived from them:
Parameter GNSS Information
Latitude The geographic coordinate specifying the north-south position
Longitude The geographic coordinate specifying the east-west position
Altitude The height above sea level of the current location
Satellites in view The number of satellites in view as stated in GPGSV frames
Speed The horizontal and vertical speed in meter per second as stated in
GPRMC frames
Satellites used The number of satellites used for calculating the position as stated in
GPGGA frames
Dilution of precision The dilution of precision as stated in GPGSA frames
Furtheron, each satellite also comes with the following details:
Parameter GNSS Satellite Information
PRN The PRN code of the satelitte (also referred as satellite ID) as stated
in GPGSA frames
Elevation The elevation (up-down angle between the dish pointing direction) in
degrees as stated in GPGSV frames
Azimuth The azimuth (rotation around the vertical axis) in degrees as stated in
GPGSV frames
SNR The SNR (Signal to Noise Ratio), often referred as signal strength
Please note that the values are shown as calculated by the daemon, their accuracy might be sugges-
tive.
Supervision
Parameter GNSS Supervision
Administrative status Enable or disable GNSS supervision
Mode Specifies whether to monitor the NMEA stream or GPS fixes
Max. downtime The period of time without valid NMEA stream or GPS fix after which
an emergency action shall be taken
Emergency action The corresponding emergency action. You can either let just restart
the server, which will also re-initialize the GPS function on the module,
or reset the module in severe cases. Please note that this may have
effects on any running WWAN/SMS services.
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