PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-00:42:40
G08     318.2          13.6                7.4 +/-    1.31      19.1 +/-    1.31  0.050 / 0.080
G10     310.0          55.6                8.6 +/-    0.69      10.2 +/-    0.69  0.060 / 0.080
G14     212.8          17.9               13.4 +/-    2.60      31.0 +/-    2.60  0.030 / 0.050
G15     45.8           24.1                6.5 +/-    0.97      12.9 +/-    0.97  0.040 / 0.040
G20     307.6          53.6               18.7 +/-    0.52      22.6 +/-    0.52  0.170 / 0.400
G21     116.0          69.5                8.9 +/-    0.72       9.4 +/-    0.72  0.120 / 0.600
G24     86.8           28.6                8.1 +/-    0.87      14.6 +/-    0.87  0.050 / 0.040
G27     291.3          36.8                9.3 +/-    1.02      14.2 +/-    1.02  0.040 / 0.050
G32     214.2          41.8               12.1 +/-    0.75      17.0 +/-    0.75  0.080 / 0.110