PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-00:43:10
G08     304.2          21.6                8.7 +/-    2.14      18.5 +/-    2.14  0.060 / 0.080
G10     341.5          61.3                7.4 +/-    0.58       8.3 +/-    0.58  0.080 / 0.090
G14     220.7          34.1                9.7 +/-    1.38      15.7 +/-    1.38  0.030 / 0.050
G15     47.8           10.0                5.9 +/-    2.47      16.3 +/-    2.47  0.040 / 0.040
G20     326.1          59.0               10.1 +/-    0.81      11.6 +/-    0.81  0.060 / 0.070
G21     138.6          53.8                7.8 +/-    0.84       9.5 +/-    0.84  0.080 / 0.090
G24     67.0           28.5                6.7 +/-    1.51      12.1 +/-    1.51  0.210 / 0.140
G27     269.3          36.5                9.0 +/-    1.28      13.9 +/-    1.28  0.090 / 0.140
G32     227.9          58.8                8.6 +/-    2.40       9.9 +/-    2.40  0.160 / 0.260