PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-18:12:40
G10     263.7          36.5                9.7 +/-    1.17      15.0 +/-    1.17  0.180 / 0.330
G13     43.4           20.4                8.0 +/-    0.89      17.5 +/-    0.89  0.150 / 0.450
G15     66.0           53.9                8.9 +/-    0.72      10.8 +/-    0.72  0.040 / 0.040
G16     282.2          13.1                8.9 +/-    1.62      23.2 +/-    1.62  0.050 / 0.050
G20     291.7          58.8               10.5 +/-    1.05      12.0 +/-    1.05  0.130 / 0.360
G21     358.9          70.3               10.0 +/-    1.17      10.6 +/-    1.17  0.140 / 0.470
G24     119.7          12.8                9.0 +/-    1.90      23.6 +/-    1.90  0.070 / 0.260
G27     320.6          14.9                6.6 +/-    3.60      16.3 +/-    3.60  0.080 / 0.270
G29     167.2          34.4               10.7 +/-    0.50      17.1 +/-    0.50  0.100 / 0.390