PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-21:12:50
G01     126.1          11.9                6.5 +/-   30.09      17.4 +/-   30.09  0.120 / 0.350
G07     66.8           66.7               10.1 +/-    0.46      10.9 +/-    0.46  0.090 / 0.340
G08     49.0           37.3                7.7 +/-    0.63      11.7 +/-    0.63  0.050 / 0.080
G09     178.4          36.0               12.6 +/-    1.38      19.6 +/-    1.38  0.070 / 0.080
G11     115.6          36.4               11.8 +/-    0.96      18.3 +/-    0.96  0.030 / 0.040
G13     320.7          12.9                5.9 +/-   11.88      15.3 +/-   11.88  0.030 / 0.040
G17     199.0          17.1               13.9 +/-    2.80      32.9 +/-    2.80  0.110 / 0.320
G18     99.8           16.9               10.6 +/-    2.37      25.1 +/-    2.37  0.100 / 0.400
G28     273.1          50.5               10.6 +/-    0.88      13.3 +/-    0.88  0.030 / 0.040
G30     334.1          61.6               10.1 +/-    0.70      11.3 +/-    0.70  0.030 / 0.050