VisualGPSView is a free tool that incorporates many advanced features that show the status of the GPS receiver via the NMEA 0183 protocol. Its sole purpose is to display graphically specific NMEA 0183 sentences for GPS and position analysis.
Main features:
- NMEA/GLONASS - Supports GPS NMEA and GLONASS NMEA
- Azimuth and Elevation Plot - View all satellites that are in view. Each satellite identifies its pseudo random number (PRN) and its azimuth and elevation.
- Scatter Plot - The scatter plot shows individual position samples referenced to several type of reference types, next sample, average or user defined.
- Signal Quality/SNR Window - Monitor satellite signal to noise ratios and see them graphically on the screen. The signal quality window will grow or shrink to accommodate number of satellites in view
- Position Plot - Monitor latitude, longitude and altitude averages.
- NMEA Command Monitor - View NMEA sentences as they are received
- NMEA Recording and Playback - Record NMEA directly to a file or read NMEA from a file. NMEA files consists of standard NMEA sentences in text ASCII characters.
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