PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-15:12:30
G07     339.5          60.3               13.5 +/-    0.97      15.3 +/-    0.97  0.030 / 0.050
G08     93.1           53.1               14.3 +/-    0.88      17.4 +/-    0.88  0.040 / 0.080
G09     185.4          68.2               14.3 +/-    1.48      15.3 +/-    1.48  0.030 / 0.040
G11     143.1          16.1               15.1 +/-    1.87      36.6 +/-    1.87  0.040 / 0.050
G23     155.9          33.5               15.0 +/-    1.73      24.4 +/-    1.73  0.060 / 0.120
G27     50.8           29.0               11.9 +/-    0.68      21.3 +/-    0.68  0.070 / 0.090
G28     241.3          33.3               16.5 +/-    1.36      27.1 +/-    1.36  0.060 / 0.100
G30     305.9          38.4               11.6 +/-    0.96      17.3 +/-    0.96  0.050 / 0.090