PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/18-00:58:00
G01     290.3          41.7                7.8 +/-    1.43      11.0 +/-    1.43  0.060 / 0.070
G03     311.5          15.5                6.5 +/-    2.07      16.0 +/-    2.07  0.050 / 0.090
G10     118.9          27.5                9.7 +/-    0.80      18.0 +/-    0.80  0.050 / 0.050
G11     267.7          25.0                9.3 +/-    3.73      18.3 +/-    3.73  0.060 / 0.060
G14     18.3           61.0                7.3 +/-    0.93       8.2 +/-    0.93  0.090 / 0.070
G18     252.9          48.0                9.7 +/-    8.91      12.5 +/-    8.91  0.140 / 0.100
G22     313.7          36.1                6.4 +/-    0.95      10.0 +/-    0.95  0.060 / 0.060
G25     69.0           18.7                5.9 +/-    1.99      13.3 +/-    1.99  0.050 / 0.050
G31     124.9          78.1                8.0 +/-    0.41       8.2 +/-    0.41  0.060 / 0.090
G32     50.3           42.3                6.1 +/-    1.89       8.5 +/-    1.89  0.090 / 0.080