PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-02:42:40
G07     317.1          52.0                7.3 +/-    0.87       9.0 +/-    0.87  0.080 / 0.150
G08     117.5          46.2               13.1 +/-    0.56      17.4 +/-    0.56  0.100 / 0.160
G09     212.2          83.4                8.6 +/-    0.48       8.6 +/-    0.48  0.050 / 0.050
G16     43.8           15.1                2.3 +/-    2.73       5.8 +/-    2.73  0.050 / 0.060
G23     150.3          55.0               11.5 +/-    0.69      13.7 +/-    0.69  0.150 / 0.360
G27     68.8           36.1                7.1 +/-    1.37      11.1 +/-    1.37  0.330 / 0.450
G28     227.5          11.8               -5.7 +/-   11.38     -15.1 +/-   11.38  0.220 / 0.580
G30     290.9          24.6                8.9 +/-    1.28      17.5 +/-    1.28  0.250 / 0.630