NetModule NB3000-Line-Hd, Руководство пользователя

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NB3000-Line-Hd User Manual 4.2
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 direc-
tion) 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
suggestive.
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
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