PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-00:12:30
G02     213.4          57.9               13.1 +/-    0.95      15.2 +/-    0.95  0.070 / 0.090
G06     79.8           80.1                9.8 +/-    0.78       9.9 +/-    0.78  0.080 / 0.130
G12     316.4          30.5               10.1 +/-    1.46      17.4 +/-    1.46  0.050 / 0.050
G17     55.1           33.3                8.6 +/-    1.28      14.1 +/-    1.28  0.040 / 0.050
G19     35.3           51.2               -9.2 +/-    1.65     -11.5 +/-    1.65  0.030 / 0.020
G24     267.7          42.4               11.7 +/-    1.60      16.3 +/-    1.60  0.030 / 0.020
G28     119.1          19.7               12.2 +/-    2.75      27.1 +/-    2.75  0.110 / 0.230