PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-17:27:40
G03     201.0          48.3               12.4 +/-    0.42      16.0 +/-    0.42  0.120 / 0.230
G07     265.4          24.7               11.0 +/-    3.17      21.6 +/-    3.17  0.120 / 0.280
G09     313.9          34.4                8.0 +/-    1.46      12.9 +/-    1.46  0.080 / 0.090
G16     85.8           66.1               11.5 +/-    0.90      12.4 +/-    0.90  0.100 / 0.090
G22     183.8          30.9               12.1 +/-    2.09      20.8 +/-    2.09  0.280 / 0.350
G23     336.8          66.2                9.6 +/-    0.69      10.3 +/-    0.69  0.240 / 0.400
G26     50.0           40.7                8.9 +/-    0.74      12.7 +/-    0.74  0.040 / 0.050
G27     130.1          15.4               15.1 +/-    2.50      37.1 +/-    2.50  0.050 / 0.050