PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-18:43:10
G07     327.9          56.8               10.9 +/-    0.59      12.8 +/-    0.59  0.030 / 0.050
G08     110.8          48.2               13.0 +/-    0.82      16.8 +/-    0.82  0.040 / 0.040
G09     227.5          82.0               11.7 +/-    0.44      11.8 +/-    0.44  0.070 / 0.060
G16     43.8           18.6                7.2 +/-    1.93      16.4 +/-    1.93  0.050 / 0.050
G23     152.3          52.1               13.4 +/-    0.37      16.5 +/-    0.37  0.140 / 0.330
G27     66.7           36.5               11.5 +/-    1.15      17.8 +/-    1.15  0.100 / 0.220
G28     230.1          18.7               12.2 +/-    2.49      27.7 +/-    2.49  0.030 / 0.020
G30     295.3          30.1                9.9 +/-    1.63      17.4 +/-    1.63  0.040 / 0.030