PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-18:57:40
G01     317.4          23.0                7.9 +/-    2.70      16.1 +/-    2.70  0.160 / 0.350
G08     254.4          11.9                9.2 +/-    4.19      24.6 +/-    4.19  0.140 / 0.350
G10     85.6           49.3                9.4 +/-    1.07      11.9 +/-    1.07  0.040 / 0.060
G11     303.3          21.6                8.3 +/-    2.70      17.6 +/-    2.70  0.040 / 0.050
G14     292.9          68.9                9.9 +/-    0.73      10.5 +/-    0.73  0.030 / 0.040
G20     109.2          24.0                9.0 +/-    0.99      18.0 +/-    0.99  0.030 / 0.040
G22     302.5          11.3                6.1 +/-   13.29      16.6 +/-   13.29  0.210 / 0.500
G31     175.0          45.1               12.9 +/-    1.91      17.3 +/-    1.91  0.200 / 0.630
G32     16.4           64.3                8.4 +/-    0.45       9.2 +/-    0.45  0.050 / 0.070