PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-02:43:10
G01     54.5           28.1                2.3 +/-    0.74       4.3 +/-    0.74  0.030 / 0.030
G06     180.5          18.5                5.8 +/-    0.95      13.1 +/-    0.95  0.020 / 0.030
G07     144.7          17.2                5.2 +/-    1.54      12.2 +/-    1.54  0.030 / 0.060
G11     46.9           21.2                2.0 +/-    1.75       4.2 +/-    1.75  0.030 / 0.060
G13     256.8          32.8                4.6 +/-    1.18       7.6 +/-    1.18  0.110 / 0.230
G15     287.6          16.6                3.2 +/-    1.67       7.7 +/-    1.67  0.100 / 0.300
G17     281.9          77.9                5.6 +/-    0.86       5.7 +/-    0.86  0.080 / 0.210
G19     239.9          56.4                6.2 +/-    0.78       7.3 +/-    0.78  0.060 / 0.140
G28     46.0           54.3                3.9 +/-    0.68       4.7 +/-    0.68  0.110 / 0.260
G30     146.2          42.1                7.2 +/-    0.71      10.1 +/-    0.71  0.110 / 0.210