PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-00:13:00
G01     43.4           19.6                6.9 +/-    2.41      15.3 +/-    2.41  0.330 / 0.290
G06     179.2          29.9                9.6 +/-    0.98      16.8 +/-    0.98  0.310 / 0.350
G13     241.0          25.5                8.9 +/-    2.50      17.2 +/-    2.50  0.050 / 0.050
G15     274.7          13.7                6.7 +/-    1.37      17.1 +/-    1.37  0.040 / 0.050
G17     356.5          73.2                9.2 +/-    0.56       9.5 +/-    0.56  0.040 / 0.040
G19     263.2          66.2                9.4 +/-    1.00      10.1 +/-    1.00  0.030 / 0.040
G24     317.1          17.1                8.0 +/-    2.35      19.0 +/-    2.35  0.090 / 0.210
G28     61.0           51.7                8.6 +/-    0.67      10.6 +/-    0.67  0.110 / 0.250
G30     153.1          32.1               10.0 +/-    1.07      16.9 +/-    1.07  0.090 / 0.110