PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-00:28:10
G08     306.5          19.2                9.5 +/-    1.16      21.3 +/-    1.16  0.060 / 0.090
G10     351.2          62.1                7.4 +/-    0.66       8.2 +/-    0.66  0.050 / 0.100
G14     222.2          36.7               13.9 +/-    1.12      21.3 +/-    1.12  0.060 / 0.130
G20     51.6           56.8                8.8 +/-    0.42      10.2 +/-    0.42  0.060 / 0.130
G21     141.2          50.5               11.2 +/-    0.75      14.0 +/-    0.75  0.040 / 0.050
G24     66.1           29.2                8.9 +/-    0.29      15.8 +/-    0.29  0.040 / 0.070
G27     265.5          35.9               10.9 +/-    1.78      17.0 +/-    1.78  0.030 / 0.040
G32     230.5          59.3               13.3 +/-    0.80      15.2 +/-    0.80  0.030 / 0.030