PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-17:13:10
G05     47.6           20.9                6.9 +/-    2.09      14.8 +/-    2.09  0.240 / 0.360
G10     234.9          13.0               10.4 +/-    8.17      27.1 +/-    8.17  0.190 / 0.210
G13     76.6           35.3                9.4 +/-    0.99      14.8 +/-    0.99  0.200 / 0.470
G15     125.3          51.6                9.8 +/-    0.74      12.2 +/-    0.74  0.150 / 0.390
G16     314.8          12.3                6.5 +/-    9.90      17.2 +/-    9.90  0.200 / 0.400
G20     247.6          37.4               11.5 +/-    1.52      17.5 +/-    1.52  0.180 / 0.510
G21     311.8          45.3                8.7 +/-    1.10      11.6 +/-    1.10  0.040 / 0.090
G25     200.7          13.0               10.7 +/-    2.28      28.0 +/-    2.28  0.050 / 0.110
G26     289.1          20.2                7.0 +/-    1.85      15.3 +/-    1.85  0.070 / 0.100
G29     151.4          75.3               10.6 +/-    1.15      10.9 +/-    1.15  0.060 / 0.110