PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-23:58:00
G01     45.0           21.1                7.8 +/-    3.24      16.7 +/-    3.24  0.070 / 0.290
G06     176.8          31.8               12.2 +/-    1.77      20.5 +/-    1.77  0.090 / 0.220
G11     44.0           11.2                6.8 +/-    2.54      18.5 +/-    2.54  0.070 / 0.090
G13     244.1          26.3                8.5 +/-    1.74      16.1 +/-    1.74  0.060 / 0.080
G15     276.6          14.4                6.7 +/-    0.94      16.8 +/-    0.94  0.090 / 0.100
G17     328.9          76.0                9.2 +/-    0.41       9.4 +/-    0.41  0.070 / 0.110
G19     260.0          64.9                9.7 +/-    0.78      10.6 +/-    0.78  0.120 / 0.290
G24     318.4          13.5                5.0 +/-    2.04      12.9 +/-    2.04  0.130 / 0.330
G28     63.3           49.6                8.6 +/-    0.73      10.9 +/-    0.73  0.040 / 0.050
G30     151.8          31.7               10.3 +/-    1.45      17.4 +/-    1.45  0.040 / 0.050