PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-18:43:10
G01     242.6          30.4               12.5 +/-    1.78      21.7 +/-    1.78  0.040 / 0.030
G03     312.5          54.1               10.8 +/-    1.07      13.0 +/-    1.07  0.030 / 0.030
G14     67.9           36.8               10.5 +/-    1.53      16.2 +/-    1.53  0.050 / 0.090
G16     160.1          25.4               13.6 +/-    1.44      26.4 +/-    1.44  0.040 / 0.080
G22     286.5          73.5               10.9 +/-    0.28      11.3 +/-    0.28  0.090 / 0.180
G23     293.2          25.2               11.0 +/-    0.91      21.4 +/-    0.91  0.110 / 0.170
G26     127.6          44.6               13.0 +/-    0.86      17.6 +/-    0.86  0.030 / 0.040
G31     40.4           49.9                9.0 +/-    0.56      11.3 +/-    0.56  0.040 / 0.040
G32     84.4           17.4               10.4 +/-    2.99      24.4 +/-    2.99  0.080 / 0.140