PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-16:28:10
G02     245.9          75.1               10.2 +/-    0.55      10.5 +/-    0.55  0.150 / 0.340
G05     171.4          17.4               11.7 +/-    1.14      27.5 +/-    1.14  0.230 / 0.370
G06     40.0           55.5                9.7 +/-    0.42      11.5 +/-    0.42  0.030 / 0.060
G12     321.1          53.3                9.5 +/-    0.94      11.6 +/-    0.94  0.040 / 0.060
G17     70.1           24.5                8.8 +/-    0.74      17.4 +/-    0.74  0.090 / 0.130
G19     59.9           35.8                8.0 +/-    0.38      12.5 +/-    0.38  0.100 / 0.120
G24     244.0          33.4               11.7 +/-    1.49      19.1 +/-    1.49  0.030 / 0.050
G25     316.6          13.0                8.1 +/-    1.58      21.1 +/-    1.58  0.040 / 0.030