PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-16:42:50
G10     263.8          36.6                8.9 +/-    1.31      13.8 +/-    1.31  0.060 / 0.110
G13     43.4           20.3                7.6 +/-    2.29      16.5 +/-    2.29  0.050 / 0.070
G15     64.9           53.0                8.1 +/-    0.85       9.8 +/-    0.85  0.120 / 0.320
G16     282.8          13.1                7.0 +/-    1.51      18.2 +/-    1.51  0.110 / 0.330
G20     291.8          58.9                8.2 +/-    0.98       9.4 +/-    0.98  0.140 / 0.240
G21     1.4            70.7                7.7 +/-    0.57       8.1 +/-    0.57  0.170 / 0.230
G24     119.2          12.9                9.9 +/-    2.11      25.9 +/-    2.11  0.040 / 0.030
G27     320.7          14.6                5.4 +/-    2.18      13.7 +/-    2.18  0.040 / 0.040
G29     166.8          33.9                9.7 +/-    1.05      15.8 +/-    1.05  0.080 / 0.070