PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-08:57:40
G01     60.8           30.8                3.5 +/-    2.13       6.1 +/-    2.13  0.060 / 0.110
G07     141.8          21.7                7.1 +/-    2.85      15.1 +/-    2.85  0.060 / 0.090
G11     47.8           23.0                4.6 +/-    2.15       9.4 +/-    2.15  0.040 / 0.040
G13     262.9          35.8                7.9 +/-    1.85      12.4 +/-    1.85  0.040 / 0.040
G15     297.7          14.8                2.5 +/-    2.17       6.3 +/-    2.17  0.060 / 0.150
G17     262.5          78.2                7.7 +/-    0.68       7.8 +/-    0.68  0.070 / 0.150
G18     41.4           11.8                4.1 +/-    2.89      10.9 +/-    2.89  0.080 / 0.110
G19     231.0          46.4                8.9 +/-    3.96      11.8 +/-    3.96  0.060 / 0.110
G28     32.3           57.6                3.2 +/-    0.80       3.8 +/-    0.80  0.120 / 0.320
G30     143.7          54.8                8.1 +/-    1.17       9.6 +/-    1.17  0.180 / 0.350