PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/31-14:12:50
G01     269.5          40.7                8.2 +/-    2.27      11.8 +/-    2.27  0.130 / 0.090
G03     316.4          34.1                4.7 +/-    2.15       7.6 +/-    2.15  0.060 / 0.050
G10     130.4          16.3                8.8 +/-    1.20      21.2 +/-    1.20  0.170 / 0.200
G11     251.9          19.8                7.4 +/-    4.10      16.3 +/-    4.10  0.100 / 0.160
G14     41.4           51.6                6.0 +/-    1.38       7.4 +/-    1.38  0.190 / 0.370
G18     234.4          38.6                8.2 +/-    1.13      12.1 +/-    1.13  0.130 / 0.410
G22     314.0          56.7                6.3 +/-    1.43       7.3 +/-    1.43  0.090 / 0.070
G25     52.1           16.9                5.1 +/-    1.70      12.2 +/-    1.70  0.090 / 0.070
G31     51.7           71.1                7.6 +/-    0.62       8.0 +/-    0.62  0.130 / 0.090
G32     65.9           30.6                6.2 +/-    1.54      10.8 +/-    1.54  0.110 / 0.080