PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-03:12:30
G07     352.4          64.2                6.0 +/-    0.66       6.6 +/-    0.66  0.090 / 0.090
G08     79.1           51.7                5.5 +/-    0.38       6.8 +/-    0.38  0.070 / 0.080
G09     177.0          58.4                7.6 +/-    0.52       8.7 +/-    0.52  0.040 / 0.050
G11     141.3          20.7                8.5 +/-    1.99      18.4 +/-    1.99  0.040 / 0.050
G23     158.7          30.6               -8.4 +/-    1.28     -14.6 +/-    1.28  0.070 / 0.180
G27     46.2           24.9                4.4 +/-    1.68       8.6 +/-    1.68  0.110 / 0.190
G28     243.4          30.1                8.2 +/-    2.07      14.3 +/-    2.07  0.130 / 0.270
G30     308.5          39.9                5.2 +/-    1.25       7.5 +/-    1.25  0.130 / 0.220