PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-17:43:00
G10     273.1          41.9                8.1 +/-    1.12      11.4 +/-    1.12  0.030 / 0.030
G13     39.6           13.8                5.9 +/-    2.83      15.1 +/-    2.83  0.040 / 0.030
G15     55.6           47.1                7.6 +/-    0.64      10.0 +/-    0.64  0.300 / 0.350
G20     308.6          62.5                7.7 +/-    0.61       8.6 +/-    0.61  0.380 / 0.340
G21     25.0           75.1                8.4 +/-    0.83       8.6 +/-    0.83  0.030 / 0.040
G24     112.0          17.6               10.0 +/-    1.43      23.3 +/-    1.43  0.040 / 0.050
G27     316.9          21.4                6.6 +/-    2.36      14.0 +/-    2.36  0.090 / 0.160
G29     167.9          25.2                9.1 +/-    3.41      17.8 +/-    3.41  0.090 / 0.140
G32     205.1          14.1                8.2 +/-    3.54      20.9 +/-    3.54  0.260 / 0.180