PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-14:58:00
G01     298.9          37.6                7.6 +/-    2.76      11.5 +/-    2.76  0.070 / 0.090
G03     310.3          15.6                5.6 +/-    1.64      13.7 +/-    1.64  0.060 / 0.090
G10     114.2          34.2                9.2 +/-    0.81      14.9 +/-    0.81  0.050 / 0.040
G11     275.7          26.7                8.0 +/-    1.51      15.1 +/-    1.51  0.050 / 0.050
G14     9.1            63.6                7.5 +/-    0.33       8.2 +/-    0.33  0.020 / 0.020
G22     312.8          35.1                7.1 +/-    1.98      11.2 +/-    1.98  0.020 / 0.030
G25     74.4           18.6                8.5 +/-    2.19      19.3 +/-    2.19  0.080 / 0.120
G31     149.4          74.5                9.8 +/-    0.73      10.1 +/-    0.73  0.080 / 0.130
G32     45.7           45.7                7.0 +/-    0.66       9.4 +/-    0.66  0.170 / 0.340