PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-18:43:00
G01     320.3          14.6                9.3 +/-    1.84      23.4 +/-    1.84  0.030 / 0.030
G08     258.9          15.3               11.1 +/-    1.90      27.4 +/-    1.90  0.040 / 0.030
G10     73.7           54.7               11.8 +/-    0.65      14.1 +/-    0.65  0.100 / 0.220
G11     305.6          22.0               11.5 +/-    1.44      24.1 +/-    1.44  0.100 / 0.210
G14     285.5          70.0               12.6 +/-    0.83      13.3 +/-    0.83  0.250 / 0.300
G18     306.4          40.1               11.4 +/-    1.68      16.5 +/-    1.68  0.220 / 0.410
G20     101.8          31.8               11.4 +/-    1.03      19.3 +/-    1.03  0.080 / 0.040
G27     229.1          12.1               10.9 +/-    1.22      29.0 +/-    1.22  0.080 / 0.040
G31     179.6          34.6               14.3 +/-    1.04      22.9 +/-    1.04  0.130 / 0.290
G32     356.2          70.7               11.8 +/-    0.40      12.4 +/-    0.40  0.120 / 0.280