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Table 2 Mean standard deviation of differences to dual-frequency correction for different regions (LL: low latitudes; LM: mid-latitudes; LH: high latitudes) and solar activity (SH: high solar activity; SL: low solar activity) and for all Jason-1 data (all/global); all numbers in mm; best solution in bold

From: Comparison of different methods to account for the plasmaspheric electron content in GNSS-derived ionospheric altimeter corrections and their impact on sea level trend estimation

Solution

All/global

SH/LL

SH/LM

SH/LH

SL/LL

SL/LM

SL/LH

0

7.67

12.43

7.16

6.11

6.40

4.20

4.26

1

7.16

12.20

6.78

5.95

5.93

3.96

4.18

2

7.23

11.91

6.92

6.05

6.00

3.97

4.04

3

6.99

11.93

6.72

5.93

5.76

3.85

4.09

4

6.74

12.05

6.71

5.96

5.43

3.68

4.01

5

6.80

11.96

6.68

5.93

5.52

3.73

4.04

6

6.72

12.14

6.88

6.20

5.44

3.48

4.01

  1. The bold numbers indicate the best solutions