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Table 1 YorkU-PPP engine processing parameters for smartphones

From: Conditioning and PPP processing of smartphone GNSS measurements in realistic environments

Processing parameters

YORK U GNSS PPP engine settings

PPP processing mode

Uncombined dual-frequency

Estimator

Sequential least squares

Antenna corrections

International GNSS Service (IGS) Antenna Exchange Format (ANTEX)

Satellite orbits and clocks

CNT-Centre National d'Etudes Spatiales (CNES)

Elevation mask

10°

C/N0 mask

20 dB·Hz for smartphone, 15 dB·Hz for Piksi

GNSS system

GPS, Galileo

Observations processed

L1, L5, E1, E5a

Measurement data format

RINEX 3.03

Ionospheric mitigation

Slant ionospheric delay estimation

Using Global Ionospheric Maps (GIM’s) as pseudo-observations in the uncombined filter to mitigate and estimate the slant ionospheric error

Tropospheric modelling

Hydrostatic delay: Davis Global Pressure/Temperature (GPT)

Wet delay: Estimated

Mapping function: Global Mapping Function (GMF)