PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-04:58:00
G01     249.9          34.9                6.4 +/-    1.56      10.2 +/-    1.56  0.050 / 0.090
G03     315.9          42.9                4.9 +/-    2.41       6.8 +/-    2.41  0.050 / 0.100
G11     235.3          11.4                5.6 +/-    2.03      15.2 +/-    2.03  0.060 / 0.120
G14     60.6           41.0                4.5 +/-    2.04       6.5 +/-    2.04  0.070 / 0.110
G18     219.6          26.5                6.2 +/-    1.89      11.7 +/-    1.89  0.060 / 0.080
G22     303.7          65.9                3.8 +/-    0.47       4.2 +/-    0.47  0.050 / 0.080
G23     287.2          19.5                5.6 +/-    3.24      12.4 +/-    3.24  0.040 / 0.050
G26     132.3          39.7                7.0 +/-    0.71      10.2 +/-    0.71  0.040 / 0.050
G31     41.3           54.9                5.7 +/-    1.10       6.8 +/-    1.10  0.080 / 0.420
G32     79.1           20.6                4.5 +/-    1.94       9.8 +/-    1.94  0.130 / 0.350