PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-18:12:50
G01     106.2          25.4               13.0 +/-    0.96      25.1 +/-    0.96  0.050 / 0.070
G07     111.0          51.6               12.5 +/-    0.61      15.5 +/-    0.61  0.060 / 0.060
G08     41.8           19.9               10.3 +/-    2.48      22.8 +/-    2.48  0.030 / 0.050
G09     175.5          14.7               10.4 +/-    1.29      26.1 +/-    1.29  0.030 / 0.040
G11     86.9           43.1               11.8 +/-    1.48      16.4 +/-    1.48  0.030 / 0.030
G13     309.0          29.7               12.1 +/-    0.70      21.3 +/-    0.70  0.030 / 0.030
G17     205.2          38.1               12.8 +/-    1.12      19.2 +/-    1.12  0.070 / 0.150
G18     78.0           23.8               11.3 +/-    1.45      22.7 +/-    1.45  0.060 / 0.160
G28     309.1          59.1               11.1 +/-    1.06      12.7 +/-    1.06  0.080 / 0.180
G30     36.8           78.6               12.0 +/-    1.11      12.2 +/-    1.11  0.110 / 0.160