PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-21:43:10
G01     88.6           31.8               10.7 +/-    0.78      18.1 +/-    0.78  0.040 / 0.070
G07     127.0          39.4               12.1 +/-    0.81      17.8 +/-    0.81  0.050 / 0.080
G11     65.7           38.8               10.7 +/-    1.92      15.9 +/-    1.92  0.070 / 0.100
G13     292.9          37.1                6.9 +/-    1.28      10.5 +/-    1.28  0.100 / 0.100
G15     314.2          10.8               -4.6 +/-   19.00     -12.5 +/-   19.00  0.050 / 0.050
G17     214.1          56.1               13.3 +/-    0.78      15.6 +/-    0.78  0.060 / 0.050
G18     60.0           22.3                8.7 +/-    1.79      18.1 +/-    1.79  0.200 / 0.110
G19     214.5          27.9               13.1 +/-    1.59      24.1 +/-    1.59  0.140 / 0.130
G28     342.4          61.7                9.6 +/-    0.66      10.7 +/-    0.66  0.030 / 0.020
G30     108.9          74.7               12.3 +/-    0.64      12.7 +/-    0.64  0.030 / 0.020