PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-01:57:50
G07     321.5          53.8                4.5 +/-    1.83       5.4 +/-    1.83  0.080 / 0.150
G08     111.4          48.3                7.2 +/-    0.38       9.3 +/-    0.38  0.110 / 0.160
G09     190.4          79.4                5.9 +/-    1.13       6.0 +/-    1.13  0.040 / 0.070
G16     44.7           12.0                2.3 +/-    0.99       6.1 +/-    0.99  0.040 / 0.070
G23     152.4          51.2                6.1 +/-    0.69       7.6 +/-    0.69  0.230 / 0.350
G27     64.2           35.0                4.7 +/-    0.62       7.5 +/-    0.62  0.210 / 0.430
G28     229.6          14.7                7.2 +/-   14.74      18.0 +/-   14.74  0.310 / 0.590
G30     293.6          26.7                5.4 +/-    1.37      10.1 +/-    1.37  0.240 / 0.470