PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-07:28:10
G01     125.9          12.5                4.5 +/-    2.53      11.8 +/-    2.53  0.050 / 0.040
G07     60.2           68.8                6.0 +/-    0.77       6.4 +/-    0.77  0.040 / 0.040
G08     48.3           36.3                2.8 +/-    0.49       4.3 +/-    0.49  0.030 / 0.040
G09     174.1          29.7                7.0 +/-    1.05      12.3 +/-    1.05  0.020 / 0.040
G11     114.9          36.4                7.4 +/-    1.15      11.4 +/-    1.15  0.090 / 0.410
G13     320.6          13.2               -0.0 +/-    8.08      -0.1 +/-    8.08  0.090 / 0.390
G17     199.3          18.2                4.4 +/-    1.80      10.1 +/-    1.80  0.120 / 0.360
G18     100.5          17.3                5.4 +/-    1.45      12.6 +/-    1.45  0.100 / 0.360
G28     277.0          52.8                7.4 +/-    0.95       9.0 +/-    0.95  0.120 / 0.330
G30     332.2          60.4                5.1 +/-    1.00       5.7 +/-    1.00  0.130 / 0.390