PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-22:27:50
G01     58.1           29.7               10.8 +/-    1.17      19.0 +/-    1.17  0.180 / 0.190
G07     142.2          15.9               13.0 +/-    1.13      31.7 +/-    1.13  0.150 / 0.280
G11     46.8           21.5                9.5 +/-    2.61      20.2 +/-    2.61  0.080 / 0.120
G13     259.8          35.3               15.1 +/-    1.91      23.8 +/-    1.91  0.080 / 0.150
G15     291.7          16.6               10.3 +/-    1.75      24.7 +/-    1.75  0.040 / 0.050
G17     269.6          78.7               13.2 +/-    0.62      13.5 +/-    0.62  0.040 / 0.040
G18     39.6           9.9                 9.5 +/-    1.45      26.5 +/-    1.45  0.100 / 0.070
G19     233.6          52.0               15.6 +/-    2.22      19.1 +/-    2.22  0.090 / 0.060
G28     31.7           58.1               11.3 +/-    0.60      13.0 +/-    0.60  0.040 / 0.050
G30     144.7          49.9               15.3 +/-    0.52      19.3 +/-    0.52  0.040 / 0.040