PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-18:57:50
G08     314.1          17.0               10.0 +/-    2.39      23.7 +/-    2.39  0.040 / 0.040
G10     319.3          57.8                9.4 +/-    0.65      10.9 +/-    0.65  0.050 / 0.040
G14     214.5          24.1               12.8 +/-    2.04      25.6 +/-    2.04  0.150 / 0.310
G15     45.9           19.0                8.0 +/-    2.20      17.9 +/-    2.20  0.150 / 0.310
G20     23.1           62.9                9.5 +/-    1.21      10.5 +/-    1.21  0.230 / 0.270
G21     126.0          62.2               11.7 +/-    0.37      13.0 +/-    0.37  0.130 / 0.230
G24     78.4           28.6                8.9 +/-    0.83      16.0 +/-    0.83  0.080 / 0.220
G27     286.6          36.9               11.2 +/-    0.90      17.2 +/-    0.90  0.090 / 0.180
G32     217.5          45.2               12.4 +/-    1.20      16.6 +/-    1.20  0.270 / 0.250