PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-01:27:40
G01     317.3          21.9                5.8 +/-    1.36      12.1 +/-    1.36  0.110 / 0.180
G08     252.0          10.6                8.7 +/-    1.66      24.1 +/-    1.66  0.120 / 0.160
G10     87.2           50.0                8.7 +/-    0.80      11.0 +/-    0.80  0.120 / 0.250
G11     297.7          25.6                9.1 +/-    1.32      17.6 +/-    1.32  0.130 / 0.320
G14     309.9          70.9                7.7 +/-    0.93       8.1 +/-    0.93  0.060 / 0.050
G18     298.9          44.4                8.7 +/-    0.85      11.8 +/-    0.85  0.060 / 0.050
G20     109.4          25.6                9.8 +/-    1.28      19.0 +/-    1.28  0.170 / 0.520
G22     303.1          13.5                7.7 +/-    1.40      19.8 +/-    1.40  0.170 / 0.470
G31     173.8          48.3                9.1 +/-    0.98      11.7 +/-    0.98  0.090 / 0.190
G32     18.5           63.0                6.1 +/-    0.58       6.8 +/-    0.58  0.090 / 0.200