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Table 2 Orbit and clock accuracy and data usage rate compared with WUM (BDS-3) and IGS (GPS) products

From: Uncombined precise orbit and clock determination of GPS and BDS-3

Solution

Orbits (m)

Clocks (ns)

Usage rate (%)

R

T

N

3D

RMS

STD

S3

0.0157

0.0195

0.0212

0.0335

0.1997

0.0614

98.92

S4

0.0157

0.0195

0.0212

0.0335

0.1998

0.0613

98.91

S3/S4

0.03%

0.23%

− 0.19%

0.00%

− 0.03%

0.06%

0.01%

S5-G

0.0153

0.0193

0.0212

0.0333

0.1986

0.0625

98.89

S6-G

0.0152

0.0192

0.0210

0.0330

0.1990

0.0623

98.88

S5/S6

0.94%

0.56%

1.08%

0.94%

− 0.21%

0.24%

0.00%

S5-C

0.0441

0.0891

0.1129

0.1522

 

0.1951

98.92

S6-C

0.0448

0.0905

0.1129

0.1534

 

0.1926

98.96

S5/S6

− 1.58%

− 1.63%

0.01%

− 0.79%

 

1.26%

− 0.04%

S1

0.0565

0.1114

0.1374

0.1879

1.0028

0.2584

99.05

S2

0.0570

0.1104

0.1378

0.1876

1.0012

0.2612

99.12

S1/S2

− 0.75%

0.90%

− 0.27%

0.20%

0.16%

− 1.08%

− 0.06%