PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-05:58:00
G02     227.5          72.2                4.0 +/-    0.36       4.2 +/-    0.36  0.180 / 0.330
G05     173.7          11.2               -3.3 +/-   13.00      -8.9 +/-   13.00  0.220 / 0.430
G06     43.9           68.3                2.7 +/-    0.47       2.9 +/-    0.47  0.040 / 0.050
G12     320.6          43.8                3.3 +/-    0.54       4.5 +/-    0.54  0.040 / 0.060
G17     65.2           27.1                0.6 +/-    1.09       1.1 +/-    1.09  0.050 / 0.100
G19     51.0           42.4                2.0 +/-    1.98       2.8 +/-    1.98  0.070 / 0.090
G24     253.9          38.2                5.6 +/-    1.51       8.5 +/-    1.51  0.020 / 0.020