Comparison of TEC Calculations Based on Trimble, Javad, Leica, and Septentrio GNSS Receiver Data

A Global Navigation Satellite System (GNSS) receiver is, to some extent, a “black box” when its data is used for ionospheric studies. Our results based on Javad, Septentrio, Trimble, and Leica GNSS receivers have proven that the accuracy of the slant Total Electron Content (TEC) calculation can diff...

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Bibliographic Details
Published in:Remote sensing (Basel, Switzerland) Switzerland), 2020-10, Vol.12 (19), p.3268
Main Authors: Demyanov, Vladislav, Sergeeva, Maria, Fedorov, Mark, Ishina, Tatiana, Gatica-Acevedo, Victor Jose, Cabral-Cano, Enrique
Format: Article
Language:English
Subjects:
Correlation coefficient
Correlation coefficients
Experiments
Global navigation satellite system
GNSS receiver
Ionosphere
Javad
Leica
Noise
Receivers
Receivers & amplifiers
Septentrio
Signal processing
slant TEC
Standard deviation
Total Electron Content
Tracking
Trimble
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Summary:A Global Navigation Satellite System (GNSS) receiver is, to some extent, a “black box” when its data is used for ionospheric studies. Our results based on Javad, Septentrio, Trimble, and Leica GNSS receivers have proven that the accuracy of the slant Total Electron Content (TEC) calculation can differ significantly depending on the GNSS receiver type/model, because TEC measurements depend on the carrier phase tracking technique applied in a receiver. The correlation coefficient between carrier phase noise in L1 and L2 channels is considered as a possible indicator that shows if the L1-aided tracking technique or independent tracking is applied inside a receiver. An empirical model of the TEC noise component was provided to determine the TEC noise value in different types/models of GNSS receivers.
ISSN:2072-4292
2072-4292
DOI:10.3390/rs12193268