PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-22:27:50
G01     88.1           32.3               10.0 +/-    0.72      16.7 +/-    0.72  0.080 / 0.080
G07     127.1          44.4               12.5 +/-    0.89      17.0 +/-    0.89  0.070 / 0.100
G11     69.0           40.5                8.5 +/-    0.56      12.2 +/-    0.56  0.040 / 0.060
G13     293.0          36.2                9.0 +/-    1.19      13.9 +/-    1.19  0.040 / 0.050
G15     313.8          11.1               -8.8 +/-   13.31     -24.1 +/-   13.31  0.030 / 0.060
G17     216.6          51.6               12.4 +/-    1.08      15.4 +/-    1.08  0.040 / 0.060
G18     62.6           23.7                8.3 +/-    0.52      16.8 +/-    0.52  0.040 / 0.080
G19     215.5          28.4               10.8 +/-    2.00      19.6 +/-    2.00  0.040 / 0.090
G28     353.8          61.6                8.7 +/-    1.01       9.8 +/-    1.01  0.080 / 0.130
G30     112.9          72.0               11.4 +/-    0.82      11.9 +/-    0.82  0.060 / 0.120