PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-13:12:30
G07     320.3          54.1                5.6 +/-    0.95       6.7 +/-    0.95  0.260 / 0.370
G08     122.0          44.8                8.3 +/-    0.51      11.2 +/-    0.51  0.130 / 0.220
G09     275.5          82.1                5.9 +/-    0.70       6.0 +/-    0.70  0.030 / 0.050
G16     43.0           19.6                5.6 +/-    2.12      12.5 +/-    2.12  0.030 / 0.040
G23     148.2          54.5                8.7 +/-    0.79      10.4 +/-    0.79  0.040 / 0.050
G27     72.5           37.1                5.5 +/-    1.39       8.5 +/-    1.39  0.040 / 0.080
G28     226.8          12.9                4.5 +/-    5.56      11.6 +/-    5.56  0.040 / 0.050
G30     292.4          29.0                5.0 +/-    1.61       9.0 +/-    1.61  0.040 / 0.050