PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-07:57:20
G02     199.3          17.9                6.8 +/-    1.44      15.8 +/-    1.44  0.140 / 0.230
G06     170.5          50.1               15.7 +/-    0.82      19.7 +/-    0.82  0.100 / 0.260
G13     228.4          16.0                7.4 +/-    3.19      17.9 +/-    3.19  0.040 / 0.040
G17     17.5           62.8                7.5 +/-    0.66       8.3 +/-    0.66  0.040 / 0.040
G19     316.7          72.3                8.0 +/-    0.87       8.4 +/-    0.87  0.040 / 0.060
G24     312.6          25.5                4.8 +/-    1.34       9.3 +/-    1.34  0.040 / 0.060
G28     76.5           48.4                7.9 +/-    1.32      10.2 +/-    1.32  0.240 / 0.350
G30     157.8          21.1               10.2 +/-    1.11      21.8 +/-    1.11  0.210 / 0.350