PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-05:57:50
G01     66.2           31.3                3.0 +/-    0.71       5.1 +/-    0.71  0.030 / 0.030
G07     138.1          29.1                6.8 +/-    1.25      12.1 +/-    1.25  0.030 / 0.040
G11     53.6           32.8                2.2 +/-    0.60       3.6 +/-    0.60  0.110 / 0.230
G13     270.3          38.4                7.4 +/-    0.79      11.0 +/-    0.79  0.080 / 0.230
G15     298.6          16.6                4.2 +/-    1.49      10.0 +/-    1.49  0.050 / 0.110
G17     235.2          71.2                6.8 +/-    0.73       7.1 +/-    0.73  0.060 / 0.120
G19     224.6          46.3                6.3 +/-    1.53       8.3 +/-    1.53  0.050 / 0.080
G28     6.0            61.2                1.9 +/-    0.96       2.2 +/-    0.96  0.060 / 0.080
G30     138.3          63.8                7.2 +/-    1.00       8.0 +/-    1.00  0.050 / 0.060