PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-18:27:40
G02     11.3           69.5                8.0 +/-    0.49       8.5 +/-    0.49  0.030 / 0.060
G05     157.0          47.5               10.2 +/-    0.47      13.3 +/-    0.47  0.030 / 0.060
G06     47.1           25.7                7.2 +/-    2.47      13.9 +/-    2.47  0.110 / 0.420
G12     222.5          80.1                7.0 +/-    0.68       7.1 +/-    0.68  0.090 / 0.400
G19     86.1           21.7                7.2 +/-    0.91      15.2 +/-    0.91  0.020 / 0.030
G24     216.7          12.4               10.1 +/-    3.18      26.7 +/-    3.18  0.040 / 0.030
G25     311.8          42.6                8.8 +/-    1.03      12.2 +/-    1.03  0.080 / 0.130
G29     295.9          16.3                8.0 +/-    1.72      19.3 +/-    1.72  0.070 / 0.130