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GnssLogger App Screenshot 1
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About GnssLogger App

GnssLogger by Google enables in-depth analysis and logging of all types of location and sensor data such as GPS (Global Positioning System), network location and other sensor data. It comes with the following features:

HOME TAB:
● Control various data logging such as raw GNSS measurements, GnssStatus, NMEA, navigation messages, sensor data and RINEX logs.

LOG TAB:
● View all location and raw measurement data.
● Control offline logging using 'Start Log', 'Stop & Send' and 'Timed Log'.
● Enable specific items to be logged using corresponding switches in Home Tab.
● Delete existing log files from disk.

MAP TAB:
● Visualize on GoogleMap, the location provided by GPS chipset, Network Location Provider (NLP), Fused Location Provider (FLP), and computed Weighted Least Square (WLS) position.
● Toggle between different map views and location types.

PLOTS TAB:
● Visualize CN0 (Signal Strength), PR (pseudorange) Residual and PRR (pseudorange rate) Residual vs time.

STATUS TAB:
● View detailed information of all visible GNSS (Global Navigation Satellite System) satellites such as GPS, Beidou (BDS), QZSS, GAL (Galileo), GLO (GLONASS) and IRNSS.

SKYPLOT TAB:
● Visualize the data of all visible GNSS satellites using a skyplot.
● View the average CN0 of all the satellites in view and the ones used in fix.

AGNSS TAB:
● Experiment with Assisted-GNSS functionalities.

WLS Analysis TAB:
● View the Weighted Least Square position, velocity and their uncertainties computed based on raw GNSS measurements.
● Compare the WLS results to the GNSS chipset reported values.

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Frequently Asked Questions(FAQ)

What is GnssLogger by Google?

GnssLogger by Google is an app that enables in-depth analysis and logging of various types of location and sensor data such as GPS, network location, and other sensor data.

What features does GnssLogger offer?

GnssLogger offers features such as control of data logging, viewing location and raw measurement data, offline logging control, visualizing location on Google Maps, visualizing signal strength and other parameters over time, viewing detailed information of visible GNSS satellites, visualizing the data of visible GNSS satellites using a skyplot, experimenting with Assisted-GNSS functionalities, and comparing computed positions to GNSS chipset reported values.
author
Very good app to collect raw measurements
Lukasz K Bonenberg
author
Very nise
Amresh JAISWAL
author
I love to try and test google products.
Aditya Raj
author
I like it
Mithlesh Kumar
author
I occasionally check the Developed with Google account and the other Google-related-but-not-the-main-one accounts for interesting stuff like this.
Tambe Barsbay
author
This is an awesome tool that got a bunch of work out into it. I didn't know about it until I was browsing the Google playground stickers.
Jacob Bingham