PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-19:42:30
G02     244.9          76.1               10.2 +/-    0.42      10.5 +/-    0.42  0.260 / 0.330
G05     170.9          17.2               14.4 +/-    1.88      34.1 +/-    1.88  0.320 / 0.470
G06     40.1           57.8                9.5 +/-    0.53      11.0 +/-    0.53  0.030 / 0.030
G12     320.9          50.8                9.1 +/-    1.19      11.3 +/-    1.19  0.030 / 0.030
G17     70.4           23.1                7.7 +/-    1.66      15.8 +/-    1.66  0.110 / 0.100
G19     58.4           36.9                8.6 +/-    0.89      13.2 +/-    0.89  0.090 / 0.120
G24     244.3          34.1               12.3 +/-    2.58      19.9 +/-    2.58  0.060 / 0.110
G25     316.4          12.5               -0.5 +/-   28.13      -1.3 +/-   28.13  0.070 / 0.110