PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-19:57:40
G07     339.2          60.3               11.0 +/-    0.39      12.5 +/-    0.39  0.040 / 0.050
G08     98.0           51.0               12.2 +/-    0.43      15.1 +/-    0.43  0.040 / 0.040
G09     194.9          75.4               13.0 +/-    0.85      13.4 +/-    0.85  0.050 / 0.080
G11     145.0          13.5               16.4 +/-    2.32      42.4 +/-    2.32  0.060 / 0.080
G16     46.0           12.5                7.9 +/-    3.06      20.8 +/-    3.06  0.240 / 0.350
G23     155.7          44.2               12.8 +/-    0.87      17.5 +/-    0.87  0.160 / 0.230
G27     58.1           33.8                9.7 +/-    1.94      15.7 +/-    1.94  0.040 / 0.020
G28     235.3          25.2               14.2 +/-    2.85      27.6 +/-    2.85  0.050 / 0.020
G30     301.2          34.7               10.3 +/-    1.56      16.4 +/-    1.56  0.040 / 0.040