PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-13:58:10
G07     341.3          61.0                7.6 +/-    0.54       8.5 +/-    0.54  0.030 / 0.050
G08     101.5          51.7                8.8 +/-    0.95      10.8 +/-    0.95  0.030 / 0.040
G09     196.3          75.4                8.3 +/-    0.97       8.6 +/-    0.97  0.100 / 0.260
G11     145.4          13.7                8.1 +/-    3.31      20.8 +/-    3.31  0.090 / 0.280
G23     154.6          40.3               10.1 +/-    0.84      14.6 +/-    0.84  0.080 / 0.480
G27     56.7           32.7                6.5 +/-    0.83      10.7 +/-    0.83  0.100 / 0.500
G28     235.3          24.1                8.9 +/-    1.18      17.8 +/-    1.18  0.040 / 0.080