PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-20:13:00
G01     298.5          38.2               10.4 +/-    2.23      15.5 +/-    2.23  0.050 / 0.040
G03     309.5          11.7                4.6 +/-   30.09      12.3 +/-   30.09  0.040 / 0.040
G10     114.5          32.8               13.7 +/-    0.74      22.7 +/-    0.74  0.080 / 0.080
G11     270.3          27.4               10.4 +/-    1.32      19.3 +/-    1.32  0.100 / 0.070
G14     15.3           62.1               11.3 +/-    0.76      12.6 +/-    0.76  0.070 / 0.090
G22     312.5          32.5                9.1 +/-    1.56      15.2 +/-    1.56  0.070 / 0.080
G25     67.7           16.5               10.8 +/-    0.73      25.9 +/-    0.73  0.080 / 0.170
G31     163.3          72.0               13.8 +/-    0.56      14.5 +/-    0.56  0.080 / 0.170
G32     44.4           46.9               10.4 +/-    0.40      13.7 +/-    0.40  0.050 / 0.070