PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-01:28:00
G01     287.0          42.2                6.8 +/-    1.17       9.5 +/-    1.17  0.050 / 0.080
G03     312.4          17.6                5.7 +/-    1.02      13.2 +/-    1.02  0.060 / 0.080
G10     120.8          25.6                7.7 +/-    0.61      14.8 +/-    0.61  0.080 / 0.080
G11     264.9          24.3                7.8 +/-    1.11      15.6 +/-    1.11  0.050 / 0.100
G14     22.6           59.4                6.3 +/-    0.41       7.1 +/-    0.41  0.050 / 0.050
G18     249.1          46.9                9.2 +/-    0.82      12.1 +/-    0.82  0.040 / 0.050
G22     314.1          38.3                5.5 +/-    1.04       8.2 +/-    1.04  0.100 / 0.170
G25     66.5           18.7                5.1 +/-    0.80      11.7 +/-    0.80  0.060 / 0.170
G31     110.7          78.8                7.9 +/-    0.46       8.0 +/-    0.46  0.040 / 0.070
G32     52.4           40.8                5.6 +/-    1.25       8.0 +/-    1.25  0.050 / 0.080