PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-23:27:50
G08     274.6          21.4                8.6 +/-    1.23      18.3 +/-    1.23  0.110 / 0.220
G10     44.3           61.1                9.2 +/-    0.39      10.3 +/-    0.39  0.080 / 0.170
G14     249.3          59.7                9.2 +/-    0.61      10.5 +/-    0.61  0.040 / 0.070
G18     315.7          25.2                6.2 +/-    2.24      12.1 +/-    2.24  0.040 / 0.070
G20     86.1           42.4                8.6 +/-    0.31      12.1 +/-    0.31  0.080 / 0.180
G21     152.9          23.7                9.1 +/-    2.33      18.3 +/-    2.33  0.080 / 0.150
G24     42.5           14.0                6.5 +/-    1.57      16.4 +/-    1.57  0.110 / 0.270
G27     239.9          22.0                9.6 +/-    1.67      20.2 +/-    1.67  0.110 / 0.260
G31     179.9          21.7               10.8 +/-    1.94      22.7 +/-    1.94  0.030 / 0.040
G32     306.4          76.6                8.7 +/-    0.75       8.9 +/-    0.75  0.030 / 0.040