PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-08:43:00
G01     61.7           30.4                3.4 +/-    0.54       5.9 +/-    0.54  0.030 / 0.040
G06     179.6          12.6                5.0 +/-    2.32      13.3 +/-    2.32  0.040 / 0.050
G07     140.4          24.2                5.8 +/-    1.67      11.6 +/-    1.67  0.060 / 0.130
G11     50.3           28.5                2.9 +/-    0.59       5.3 +/-    0.59  0.090 / 0.160
G13     264.8          37.3                8.4 +/-    1.90      12.7 +/-    1.90  0.030 / 0.040
G15     296.0          16.4                2.9 +/-    2.53       7.0 +/-    2.53  0.030 / 0.030
G17     244.7          73.4                7.5 +/-    0.65       7.7 +/-    0.65  0.060 / 0.100
G19     228.7          50.1               10.1 +/-    1.44      12.8 +/-    1.44  0.080 / 0.110
G28     16.0           60.6                4.3 +/-    0.64       4.9 +/-    0.64  0.040 / 0.060
G30     142.1          58.2                7.1 +/-    0.55       8.2 +/-    0.55  0.040 / 0.060