PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-08:57:40
G02     206.2          45.7               13.7 +/-    0.61      18.3 +/-    0.61  0.100 / 0.150
G06     129.0          77.5               10.9 +/-    0.43      11.2 +/-    0.43  0.090 / 0.170
G12     312.8          26.0                5.0 +/-    1.21       9.5 +/-    1.21  0.030 / 0.050
G17     44.2           42.2                6.2 +/-    1.51       8.7 +/-    1.51  0.040 / 0.060
G19     22.0           57.9                6.1 +/-    1.16       7.0 +/-    1.16  0.060 / 0.110
G24     287.6          40.5               14.3 +/-    2.80      20.6 +/-    2.80  0.070 / 0.120
G28     107.5          32.1               14.0 +/-    1.18      23.4 +/-    1.18  0.050 / 0.060