PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-01:28:00
G03     191.5          21.2                7.5 +/-    1.85      16.1 +/-    1.85  0.110 / 0.620
G07     291.5          38.9                4.7 +/-    0.73       6.9 +/-    0.73  0.110 / 0.690
G08     140.2          28.8                8.3 +/-    1.62      14.9 +/-    1.62  0.080 / 0.180
G09     322.3          68.4                1.7 +/-    0.74       1.8 +/-    0.74  0.080 / 0.150
G16     43.0           35.6                2.5 +/-    0.58       3.9 +/-    0.58  0.030 / 0.040
G23     118.1          78.8                4.2 +/-    1.00       4.3 +/-    1.00  0.030 / 0.030
G27     98.4           33.7                6.4 +/-    1.36      10.4 +/-    1.36  0.060 / 0.110
G30     273.6          10.6               -9.3 +/-   26.89     -25.7 +/-   26.89  0.060 / 0.120