PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-21:28:00
G01     220.9          14.0               12.7 +/-    3.16      32.4 +/-    3.16  0.050 / 0.030
G03     280.9          68.8                9.3 +/-    0.76       9.9 +/-    0.76  0.050 / 0.030
G09     297.6          14.3                8.5 +/-    1.89      21.4 +/-    1.89  0.120 / 0.170
G14     87.3           25.6                8.4 +/-    1.51      16.2 +/-    1.51  0.090 / 0.150
G16     140.2          48.5               10.6 +/-    0.90      13.7 +/-    0.90  0.050 / 0.070
G22     212.4          67.6               10.6 +/-    0.49      11.4 +/-    0.49  0.040 / 0.060
G23     309.7          39.6               10.0 +/-    1.36      14.6 +/-    1.36  0.040 / 0.030
G26     91.0           54.5                9.2 +/-    0.88      11.0 +/-    0.88  0.030 / 0.030
G31     46.8           29.5                7.5 +/-    1.75      13.4 +/-    1.75  0.110 / 0.090