PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-20:43:10
G01     319.6          17.0               10.7 +/-    1.74      25.3 +/-    1.74  0.170 / 0.280
G08     256.5          13.9                8.6 +/-    2.55      22.1 +/-    2.55  0.140 / 0.240
G10     78.2           53.3                8.9 +/-    0.57      10.8 +/-    0.57  0.040 / 0.030
G11     303.2          23.3                8.4 +/-    0.97      17.0 +/-    0.97  0.040 / 0.040
G14     293.5          70.6                9.1 +/-    0.88       9.5 +/-    0.88  0.140 / 0.380
G18     304.3          41.5                9.9 +/-    1.75      14.0 +/-    1.75  0.130 / 0.410
G20     104.3          29.9                9.1 +/-    0.65      15.9 +/-    0.65  0.070 / 0.180
G31     177.9          39.0               11.7 +/-    0.75      17.3 +/-    0.75  0.080 / 0.150
G32     4.9            68.4                8.7 +/-    0.36       9.3 +/-    0.36  0.110 / 0.080