PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-04:42:50
G07     331.4          57.8                3.0 +/-    0.64       3.5 +/-    0.64  0.090 / 0.120
G08     104.2          51.1                7.1 +/-    0.63       8.8 +/-    0.63  0.080 / 0.110
G09     186.6          74.4                6.3 +/-    0.79       6.5 +/-    0.79  0.180 / 0.390
G11     148.9          12.2                4.8 +/-    3.78      12.8 +/-    3.78  0.090 / 0.410
G23     154.6          43.6                5.1 +/-    0.71       7.1 +/-    0.71  0.040 / 0.060
G27     57.5           32.7                4.2 +/-    0.66       6.9 +/-    0.66  0.050 / 0.060
G28     233.6          20.4                6.2 +/-    2.72      13.5 +/-    2.72  0.030 / 0.050
G30     298.8          31.6                3.9 +/-    1.36       6.6 +/-    1.36  0.040 / 0.050