PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-20:43:10
G01     303.3          35.9                9.5 +/-    2.76      14.9 +/-    2.76  0.040 / 0.040
G10     110.3          36.2               10.8 +/-    1.19      16.8 +/-    1.19  0.030 / 0.050
G11     275.4          28.1                9.8 +/-    2.32      17.8 +/-    2.32  0.060 / 0.090
G14     6.8            64.7                8.5 +/-    0.44       9.3 +/-    0.44  0.070 / 0.070
G20     123.0          10.9               10.1 +/-    1.73      27.7 +/-    1.73  0.090 / 0.110
G22     311.1          28.5                8.2 +/-    0.89      14.7 +/-    0.89  0.080 / 0.150
G25     72.8           16.2                8.8 +/-    1.34      21.2 +/-    1.34  0.070 / 0.150
G31     167.7          67.5                9.9 +/-    0.49      10.7 +/-    0.49  0.080 / 0.160
G32     40.1           49.8                8.7 +/-    1.23      11.0 +/-    1.23  0.030 / 0.030