PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-00:57:50
G08     295.5          21.5                8.0 +/-    1.40      17.0 +/-    1.40  0.120 / 0.130
G10     15.9           62.7                8.0 +/-    0.44       8.9 +/-    0.44  0.070 / 0.120
G14     230.9          47.0               13.1 +/-    1.61      17.1 +/-    1.61  0.070 / 0.090
G18     317.9          12.2                5.6 +/-    3.39      14.9 +/-    3.39  0.090 / 0.100
G20     68.6           51.0                9.1 +/-    0.32      11.4 +/-    0.32  0.040 / 0.100
G21     148.0          39.2               11.3 +/-    1.13      16.6 +/-    1.13  0.050 / 0.100
G24     54.9           25.1                7.9 +/-    0.97      15.5 +/-    0.97  0.040 / 0.030
G27     252.5          31.0               10.9 +/-    1.91      18.6 +/-    1.91  0.030 / 0.040
G32     249.2          69.1               11.6 +/-    0.80      12.3 +/-    0.80  0.110 / 0.240