PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-19:28:10
G07     316.8          52.5               12.2 +/-    0.72      14.9 +/-    0.72  0.050 / 0.050
G08     120.5          43.9               13.7 +/-    0.82      18.8 +/-    0.82  0.040 / 0.060
G09     286.2          81.5               13.1 +/-    0.57      13.2 +/-    0.57  0.040 / 0.020
G16     42.4           25.3                9.6 +/-    2.56      18.6 +/-    2.56  0.040 / 0.020
G23     148.0          60.6               12.9 +/-    0.28      14.6 +/-    0.28  0.060 / 0.070
G27     76.5           37.9               12.3 +/-    1.80      18.5 +/-    1.80  0.060 / 0.060
G28     225.8          12.7                9.0 +/-   21.16      23.6 +/-   21.16  0.150 / 0.470
G30     289.2          25.0               12.3 +/-    2.47      24.0 +/-    2.47  0.260 / 0.380