PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-02:12:50
G07     309.6          48.4                6.6 +/-    1.23       8.5 +/-    1.23  0.100 / 0.340
G08     124.9          42.1                7.4 +/-    0.49      10.5 +/-    0.49  0.100 / 0.300
G09     278.7          84.5                5.6 +/-    0.96       5.6 +/-    0.96  0.050 / 0.060
G16     42.6           20.4                1.7 +/-    1.00       3.8 +/-    1.00  0.060 / 0.060
G23     146.1          61.8                7.5 +/-    0.74       8.4 +/-    0.74  0.050 / 0.070
G27     76.7           36.9                4.1 +/-    0.58       6.2 +/-    0.58  0.050 / 0.080
G30     286.1          20.7                3.3 +/-    1.29       7.2 +/-    1.29  0.110 / 0.270