PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-01:28:00
G08     319.7          12.1                6.6 +/-    1.97      17.5 +/-    1.97  0.070 / 0.090
G10     307.0          54.7                8.3 +/-    0.87       9.9 +/-    0.87  0.060 / 0.100
G14     212.3          15.8               13.7 +/-    1.86      33.4 +/-    1.86  0.200 / 0.420
G15     45.8           25.3                6.7 +/-    1.30      13.1 +/-    1.30  0.140 / 0.300
G20     314.4          57.6                8.5 +/-    0.52       9.9 +/-    0.52  0.040 / 0.040
G21     112.0          70.9               11.1 +/-    0.57      11.7 +/-    0.57  0.030 / 0.040
G24     89.1           28.2                7.7 +/-    0.77      14.0 +/-    0.77  0.080 / 0.130
G27     293.5          36.3                9.3 +/-    1.21      14.4 +/-    1.21  0.090 / 0.110
G32     213.2          40.0               11.8 +/-    1.24      17.2 +/-    1.24  0.030 / 0.040