PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-16:57:50
G10     263.1          36.2               10.1 +/-    1.13      15.7 +/-    1.13  0.040 / 0.030
G13     43.7           20.8                8.1 +/-    2.04      17.6 +/-    2.04  0.030 / 0.040
G15     66.0           53.6                8.7 +/-    0.90      10.6 +/-    0.90  0.130 / 0.300
G16     283.3          13.2                7.1 +/-    2.74      18.3 +/-    2.74  0.120 / 0.210
G20     290.7          58.6                8.7 +/-    0.96      10.0 +/-    0.96  0.150 / 0.190
G21     359.6          70.3                8.9 +/-    0.75       9.4 +/-    0.75  0.110 / 0.270
G24     119.8          12.5               11.6 +/-    1.55      30.6 +/-    1.55  0.090 / 0.230
G27     320.9          14.2                5.3 +/-    2.18      13.3 +/-    2.18  0.210 / 0.300
G29     166.8          34.6               10.8 +/-    0.95      17.3 +/-    0.95  0.030 / 0.040