PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-08:42:50
G01     125.2          11.7                3.0 +/-    2.51       8.2 +/-    2.51  0.060 / 0.100
G07     59.6           68.5                4.3 +/-    0.48       4.6 +/-    0.48  0.070 / 0.090
G08     51.9           41.9                3.5 +/-    0.50       5.0 +/-    0.50  0.090 / 0.340
G09     177.4          35.4                8.0 +/-    0.72      12.6 +/-    0.72  0.090 / 0.340
G11     119.4          36.5                7.2 +/-    0.69      11.2 +/-    0.69  0.110 / 0.380
G13     320.5          13.2                2.0 +/-    1.35       5.3 +/-    1.35  0.050 / 0.300
G17     200.2          12.8                2.7 +/-    1.11       7.1 +/-    1.11  0.080 / 0.090
G18     102.6          16.9                5.2 +/-    1.57      12.3 +/-    1.57  0.050 / 0.070
G28     269.4          47.4                6.6 +/-    0.80       8.7 +/-    0.80  0.080 / 0.310
G30     331.3          60.0                4.2 +/-    0.59       4.7 +/-    0.59  0.100 / 0.250