PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-20:13:00
G01     320.3          14.6                9.4 +/-    2.00      23.5 +/-    2.00  0.040 / 0.050
G08     259.0          15.3                9.0 +/-    1.67      22.2 +/-    1.67  0.030 / 0.040
G10     73.5           54.8               10.2 +/-    0.45      12.2 +/-    0.45  0.140 / 0.290
G11     305.7          21.9                9.9 +/-    2.26      20.8 +/-    2.26  0.130 / 0.320
G14     284.8          69.8               10.7 +/-    1.07      11.3 +/-    1.07  0.180 / 0.340
G20     101.8          31.9               10.5 +/-    1.07      17.7 +/-    1.07  0.190 / 0.350
G27     228.7          12.0               14.4 +/-    1.20      38.5 +/-    1.20  0.140 / 0.270
G31     178.7          35.6               11.5 +/-    1.55      18.1 +/-    1.55  0.130 / 0.250
G32     357.9          70.5                9.9 +/-    0.39      10.4 +/-    0.39  0.070 / 0.080