PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-02:57:50
G07     346.4          62.7                3.4 +/-    0.91       3.8 +/-    0.91  0.070 / 0.090
G08     84.3           52.1                4.4 +/-    0.61       5.4 +/-    0.61  0.070 / 0.100
G09     177.4          61.8                5.3 +/-    0.53       6.0 +/-    0.53  0.030 / 0.060
G11     143.4          18.5                5.3 +/-    1.27      12.2 +/-    1.27  0.040 / 0.040
G23     158.0          33.9                6.1 +/-    1.87       9.9 +/-    1.87  0.120 / 0.390
G27     48.5           27.0                2.7 +/-    1.64       5.0 +/-    1.64  0.120 / 0.430
G28     240.9          27.7                8.0 +/-    1.65      14.8 +/-    1.65  0.050 / 0.100
G30     306.0          37.6                3.2 +/-    0.70       4.8 +/-    0.70  0.050 / 0.110