PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-00:42:50
G02     199.8          20.4                8.9 +/-    3.21      19.3 +/-    3.21  0.100 / 0.130
G06     176.1          48.6                8.7 +/-    1.01      11.1 +/-    1.01  0.080 / 0.130
G13     227.1          14.0                8.3 +/-   10.59      21.2 +/-   10.59  0.200 / 0.330
G17     23.2           59.2                7.6 +/-    0.70       8.6 +/-    0.70  0.210 / 1.050
G19     317.7          71.3                6.8 +/-    1.11       7.1 +/-    1.11  0.060 / 0.060
G24     309.4          30.6                7.5 +/-    0.96      13.0 +/-    0.96  0.050 / 0.080
G28     84.0           43.2                7.6 +/-    0.93      10.5 +/-    0.93  0.040 / 0.020
G30     156.9          15.2               10.3 +/-    1.60      25.4 +/-    1.60  0.030 / 0.020