PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-16:12:30
G02     215.3          56.3               10.4 +/-    1.15      12.2 +/-    1.15  0.070 / 0.200
G06     62.1           75.3                9.2 +/-    0.90       9.5 +/-    0.90  0.070 / 0.180
G12     317.2          33.5                7.2 +/-    1.10      11.7 +/-    1.10  0.080 / 0.090
G17     53.0           36.6                7.9 +/-    0.52      12.2 +/-    0.52  0.040 / 0.090
G19     38.6           49.1                8.2 +/-    0.57      10.4 +/-    0.57  0.060 / 0.080
G24     268.5          41.5                7.2 +/-    0.76      10.2 +/-    0.76  0.070 / 0.090
G28     119.5          20.6                9.6 +/-    1.78      20.8 +/-    1.78  0.040 / 0.060