PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-08:27:50
G02     201.6          31.5               10.2 +/-    2.50      17.4 +/-    2.50  0.100 / 0.350
G06     161.8          65.1               14.8 +/-    0.66      16.1 +/-    0.66  0.220 / 0.440
G12     305.6          15.4                3.8 +/-    2.21       9.4 +/-    2.21  0.040 / 0.040
G17     32.1           52.1                5.7 +/-    0.61       7.0 +/-    0.61  0.040 / 0.050
G19     357.5          66.8                7.1 +/-    0.68       7.7 +/-    0.68  0.080 / 0.120
G24     302.8          34.7                7.9 +/-    0.86      12.7 +/-    0.86  0.050 / 0.100
G28     93.4           40.9               12.9 +/-    0.53      18.6 +/-    0.53  0.090 / 0.100