PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-19:12:50
G01     320.8          13.1               -8.1 +/-   35.20     -21.1 +/-   35.20  0.090 / 0.140
G08     265.2          17.5               12.9 +/-    2.29      30.2 +/-    2.29  0.190 / 0.210
G10     67.5           55.6               25.5 +/-    0.59      30.2 +/-    0.59  0.040 / 0.060
G11     312.4          15.8                8.9 +/-    2.88      21.6 +/-    2.88  0.040 / 0.050
G14     264.1          63.4               10.8 +/-    0.53      12.0 +/-    0.53  0.030 / 0.040
G20     99.1           32.5                9.8 +/-    1.12      16.4 +/-    1.12  0.030 / 0.040
G21     155.5          13.2               10.6 +/-    3.76      27.4 +/-    3.76  0.130 / 0.460
G27     229.9          14.8               10.9 +/-    2.57      27.1 +/-    2.57  0.100 / 0.500
G31     177.6          32.7               11.4 +/-    1.89      18.9 +/-    1.89  0.170 / 0.330
G32     351.7          72.7               10.2 +/-    0.52      10.7 +/-    0.52  0.170 / 0.350