PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-21:27:40
G07     59.8           67.5               10.6 +/-    0.46      11.3 +/-    0.46  0.050 / 0.090
G08     50.8           39.2                9.8 +/-    1.08      14.4 +/-    1.08  0.060 / 0.090
G09     178.6          38.6               14.3 +/-    0.68      21.3 +/-    0.68  0.250 / 0.340
G11     118.2          35.0               13.3 +/-    1.83      21.0 +/-    1.83  0.180 / 0.320
G17     198.7          14.8               14.2 +/-    1.33      35.6 +/-    1.33  0.030 / 0.050
G18     102.0          15.8               12.0 +/-    1.46      29.3 +/-    1.46  0.040 / 0.040
G23     161.1          10.4               12.9 +/-    3.86      35.6 +/-    3.86  0.160 / 0.350
G27     37.8           10.5                9.0 +/-    2.46      24.8 +/-    2.46  0.210 / 0.410
G28     269.7          49.1               12.6 +/-    0.76      16.1 +/-    0.76  0.030 / 0.040
G30     331.0          59.4                9.6 +/-    1.17      10.9 +/-    1.17  0.030 / 0.040