PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/30-00:43:10
G02     209.2          51.3                9.8 +/-    0.59      12.2 +/-    0.59  0.080 / 0.080
G06     127.7          80.4                7.9 +/-    0.61       8.0 +/-    0.61  0.070 / 0.060
G12     313.8          25.1                5.5 +/-    0.70      10.8 +/-    0.70  0.060 / 0.040
G17     50.1           37.3                6.7 +/-    0.96      10.2 +/-    0.96  0.030 / 0.040
G19     26.8           55.6                7.3 +/-    1.60       8.7 +/-    1.60  0.160 / 0.150
G24     276.3          43.0                9.2 +/-    1.02      12.8 +/-    1.02  0.100 / 0.110
G28     114.2          24.2               10.2 +/-    1.63      20.4 +/-    1.63  0.090 / 0.180