PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-20:27:50
G03     190.0          22.6               13.3 +/-    1.65      27.5 +/-    1.65  0.060 / 0.070
G07     286.2          34.9               11.1 +/-    1.10      17.7 +/-    1.10  0.040 / 0.070
G08     146.6          23.8               15.3 +/-    0.92      30.7 +/-    0.92  0.080 / 0.140
G09     320.4          57.7               11.1 +/-    0.67      12.9 +/-    0.67  0.100 / 0.130
G16     44.1           43.0               10.9 +/-    1.01      15.1 +/-    1.01  0.050 / 0.060
G23     99.7           80.6               10.2 +/-    0.42      10.3 +/-    0.42  0.040 / 0.060
G26     43.1           14.2                8.3 +/-    2.57      20.9 +/-    2.57  0.110 / 0.250
G27     103.0          32.1               12.0 +/-    1.19      20.2 +/-    1.19  0.110 / 0.210
G30     272.1          13.5               11.2 +/-    3.12      28.9 +/-    3.12  0.040 / 0.030