PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-04:42:40
G07     26.1           68.7                4.7 +/-    0.63       5.0 +/-    0.63  0.040 / 0.060
G08     58.5           44.8                4.5 +/-    1.11       6.0 +/-    1.11  0.040 / 0.050
G09     176.1          44.3                7.9 +/-    1.15      10.8 +/-    1.15  0.030 / 0.030
G11     126.7          29.4                6.2 +/-    1.17      11.0 +/-    1.17  0.030 / 0.040
G18     110.5          11.4                4.0 +/-    1.59      10.7 +/-    1.59  0.100 / 0.140
G23     161.1          19.5                4.9 +/-    0.77      11.0 +/-    0.77  0.080 / 0.160
G27     40.5           17.4                1.9 +/-    0.95       4.5 +/-    0.95  0.090 / 0.420
G28     259.9          45.3                5.7 +/-    0.77       7.7 +/-    0.77  0.110 / 0.400
G30     320.4          50.7                4.9 +/-    0.95       6.1 +/-    0.95  0.120 / 0.220