PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-00:27:50
G01     303.9          35.5                8.7 +/-    0.65      13.7 +/-    0.65  0.080 / 0.130
G10     109.8          36.9               11.4 +/-    0.88      17.4 +/-    0.88  0.070 / 0.130
G11     276.4          28.2                8.9 +/-    1.58      16.2 +/-    1.58  0.070 / 0.210
G14     3.7            65.3                9.3 +/-    0.58      10.1 +/-    0.58  0.090 / 0.170
G18     269.0          50.6                9.4 +/-    0.84      11.8 +/-    0.84  0.060 / 0.090
G20     122.6          11.4                9.9 +/-    2.71      26.9 +/-    2.71  0.070 / 0.100
G22     310.9          27.9                7.6 +/-    0.84      13.9 +/-    0.84  0.050 / 0.050
G25     75.8           16.7                7.5 +/-    1.00      17.9 +/-    1.00  0.040 / 0.060
G31     162.2          69.0               11.9 +/-    1.13      12.7 +/-    1.13  0.140 / 0.300
G32     40.8           49.2                8.4 +/-    0.36      10.6 +/-    0.36  0.110 / 0.260