PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-17:43:10
G10     298.1          52.3                7.9 +/-    1.86       9.7 +/-    1.86  0.160 / 0.320
G14     210.1          12.2                0.7 +/-   21.70       1.8 +/-   21.70  0.140 / 0.530
G15     46.4           30.1                6.6 +/-    1.06      11.5 +/-    1.06  0.090 / 0.120
G20     353.1          65.3                8.2 +/-    0.36       9.0 +/-    0.36  0.100 / 0.120
G21     100.4          72.1                8.9 +/-    1.16       9.3 +/-    1.16  0.040 / 0.030
G24     92.9           26.0                9.6 +/-    1.29      18.3 +/-    1.29  0.040 / 0.030
G27     302.1          33.0                6.6 +/-    1.04      11.0 +/-    1.04  0.100 / 0.040
G32     210.6          32.0                8.5 +/-    1.61      14.3 +/-    1.61  0.090 / 0.060