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               11.6 +/-    1.12      17.3 +/-    1.12  0.070 / 0.140
G03     309.5          11.7                7.6 +/-   15.85      20.5 +/-   15.85  0.070 / 0.120
G10     114.5          32.8               13.7 +/-    1.17      22.6 +/-    1.17  0.050 / 0.080
G11     270.3          27.4               10.3 +/-    0.99      19.0 +/-    0.99  0.050 / 0.070
G14     15.3           62.1               10.2 +/-    0.72      11.3 +/-    0.72  0.040 / 0.060
G22     312.5          32.5                9.0 +/-    1.49      15.0 +/-    1.49  0.040 / 0.060
G25     67.7           16.5                9.9 +/-    2.44      23.9 +/-    2.44  0.240 / 0.330
G31     163.3          72.0               11.8 +/-    1.21      12.4 +/-    1.21  0.170 / 0.290
G32     44.4           46.9                8.9 +/-    0.50      11.7 +/-    0.50  0.060 / 0.080