PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-13:42:30
G07     344.6          61.8                7.4 +/-    0.58       8.3 +/-    0.58  0.130 / 0.250
G08     98.3           52.3                9.4 +/-    0.61      11.5 +/-    0.61  0.180 / 0.300
G09     192.5          73.2                9.6 +/-    0.31      10.0 +/-    0.31  0.170 / 0.700
G11     144.2          15.0                9.3 +/-    4.25      23.1 +/-    4.25  0.190 / 0.660
G23     155.2          37.9                9.9 +/-    0.92      15.0 +/-    0.92  0.050 / 0.040
G27     54.7           31.7                6.7 +/-    1.07      11.3 +/-    1.07  0.040 / 0.040
G28     236.8          25.6                9.8 +/-    2.48      18.8 +/-    2.48  0.110 / 0.070
G30     305.1          39.1                6.6 +/-    1.65       9.7 +/-    1.65  0.110 / 0.100