PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-10:13:10
G01     84.0           32.0                6.2 +/-    0.66      10.4 +/-    0.66  0.040 / 0.050
G07     128.8          40.1                6.7 +/-    0.87       9.7 +/-    0.87  0.030 / 0.060
G11     64.9           39.8                5.1 +/-    1.02       7.5 +/-    1.02  0.050 / 0.120
G13     288.9          38.2                5.0 +/-    1.01       7.5 +/-    1.01  0.050 / 0.110
G15     313.6          10.7               -0.9 +/-   15.75      -2.4 +/-   15.75  0.040 / 0.050
G17     216.6          54.7                6.7 +/-    1.31       8.0 +/-    1.31  0.040 / 0.050
G18     59.1           22.8                3.2 +/-    1.05       6.6 +/-    1.05  0.060 / 0.150
G19     215.4          32.5                7.4 +/-    1.43      12.2 +/-    1.43  0.070 / 0.130
G28     341.1          61.4                5.2 +/-    0.70       5.8 +/-    0.70  0.070 / 0.160
G30     114.5          74.7                6.6 +/-    0.88       6.8 +/-    0.88  0.060 / 0.170