PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/06-04:28:00
G07     26.1           69.1                4.0 +/-    0.53       4.2 +/-    0.53  0.050 / 0.040
G08     59.6           46.2                2.6 +/-    0.60       3.4 +/-    0.60  0.040 / 0.060
G09     176.2          43.8                7.9 +/-    1.71      10.9 +/-    1.71  0.060 / 0.150
G11     130.6          30.1                4.8 +/-    0.78       8.3 +/-    0.78  0.060 / 0.180
G23     160.4          16.8                5.0 +/-    1.26      12.0 +/-    1.26  0.030 / 0.030
G27     39.3           14.8                2.1 +/-    2.00       5.3 +/-    2.00  0.030 / 0.040
G28     256.8          40.2                4.9 +/-    1.20       7.1 +/-    1.20  0.090 / 0.240
G30     319.8          50.4                5.2 +/-    0.99       6.5 +/-    0.99  0.100 / 0.240