PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-07:12:50
G01     320.2          14.7              -16.0 +/-   27.85     -40.1 +/-   27.85  0.170 / 0.370
G08     262.3          15.0                6.3 +/-    1.29      15.6 +/-    1.29  0.120 / 0.330
G10     73.6           55.2                5.1 +/-    0.32       6.1 +/-    0.32  0.210 / 0.320
G11     306.8          20.8                4.6 +/-    2.57       9.8 +/-    2.57  0.180 / 0.390
G14     277.7          66.7                5.7 +/-    0.49       6.1 +/-    0.49  0.040 / 0.060
G18     308.2          36.9                4.1 +/-    1.22       6.4 +/-    1.22  0.040 / 0.060
G20     103.8          26.8                6.4 +/-    1.96      11.9 +/-    1.96  0.040 / 0.040
G27     226.5          11.1                4.9 +/-    3.11      13.3 +/-    3.11  0.040 / 0.030
G31     175.0          39.8                7.4 +/-    1.62      10.7 +/-    1.62  0.130 / 0.300
G32     4.4            69.0                5.6 +/-    0.31       6.0 +/-    0.31  0.140 / 0.260