PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-17:28:00
G10     263.7          36.6               12.0 +/-    1.60      18.6 +/-    1.60  0.150 / 0.210
G13     43.4           20.4                9.1 +/-    1.09      19.7 +/-    1.09  0.160 / 0.430
G15     65.4           53.4               10.5 +/-    0.56      12.7 +/-    0.56  0.040 / 0.040
G16     282.5          13.1               12.0 +/-    2.26      31.1 +/-    2.26  0.040 / 0.040
G20     291.7          58.9               12.7 +/-    0.89      14.5 +/-    0.89  0.130 / 0.390
G21     0.1            70.5               12.2 +/-    0.97      12.8 +/-    0.97  0.120 / 0.340
G24     119.5          12.8               12.1 +/-    2.37      31.6 +/-    2.37  0.070 / 0.250
G27     320.7          14.7                7.8 +/-    2.84      19.4 +/-    2.84  0.070 / 0.260
G29     167.0          34.2               13.9 +/-    0.97      22.4 +/-    0.97  0.090 / 0.300