PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-00:27:50
G01     254.1          36.6               15.8 +/-    1.54      24.4 +/-    1.54  0.030 / 0.030
G03     316.3          40.0               11.8 +/-    0.78      17.1 +/-    0.78  0.040 / 0.030
G11     238.8          14.2               17.1 +/-    1.16      43.4 +/-    1.16  0.100 / 0.090
G14     58.4           41.6               11.4 +/-    1.20      16.1 +/-    1.20  0.070 / 0.080
G22     308.1          62.7               12.7 +/-    0.71      14.1 +/-    0.71  0.030 / 0.030
G23     284.1          16.6               14.8 +/-    1.88      35.4 +/-    1.88  0.020 / 0.030
G25     40.8           10.8                9.5 +/-    5.34      26.1 +/-    5.34  0.070 / 0.350
G26     142.9          34.3               20.6 +/-    0.65      33.1 +/-    0.65  0.090 / 0.300
G31     40.8           65.5               13.0 +/-    0.45      14.1 +/-    0.45  0.050 / 0.070
G32     74.2           26.3               12.8 +/-    2.08      24.3 +/-    2.08  0.060 / 0.090