PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-13:57:30
G07     354.3          64.0                6.0 +/-    0.84       6.6 +/-    0.84  0.040 / 0.040
G08     89.3           52.9                6.6 +/-    0.54       8.0 +/-    0.54  0.030 / 0.050
G09     187.0          67.9                5.2 +/-    1.02       5.6 +/-    1.02  0.080 / 0.230
G11     140.9          18.3                8.2 +/-    1.54      18.9 +/-    1.54  0.080 / 0.200
G23     156.7          32.8                8.6 +/-    1.15      14.2 +/-    1.15  0.130 / 0.440
G27     50.3           28.8                5.4 +/-    0.78       9.6 +/-    0.78  0.160 / 0.360
G28     240.7          29.6                8.8 +/-    1.63      15.6 +/-    1.63  0.050 / 0.110
G30     309.4          42.6                5.5 +/-    0.73       7.7 +/-    0.73  0.050 / 0.080