PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-11:27:50
G08     267.4          18.8                6.2 +/-    2.48      14.0 +/-    2.48  0.110 / 0.240
G10     60.4           58.0                5.0 +/-    0.34       5.8 +/-    0.34  0.120 / 0.230
G11     311.7          17.3               -5.0 +/-   10.77     -11.8 +/-   10.77  0.030 / 0.020
G14     265.1          66.6                5.6 +/-    0.63       6.1 +/-    0.63  0.040 / 0.020
G18     312.1          33.4                4.1 +/-    1.13       6.7 +/-    1.13  0.040 / 0.040
G20     94.5           37.1                6.9 +/-    1.11      10.5 +/-    1.11  0.040 / 0.050
G21     153.9          13.8                4.7 +/-    4.32      12.0 +/-    4.32  0.030 / 0.030
G27     234.4          17.3                5.1 +/-    0.69      12.0 +/-    0.69  0.030 / 0.020
G31     179.8          27.6                6.8 +/-    1.68      12.5 +/-    1.68  0.190 / 0.140
G32     315.3          74.6                6.2 +/-    0.69       6.4 +/-    0.69  0.120 / 0.280