PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-03:12:30
G10     251.3          27.2               15.1 +/-    1.78      28.1 +/-    1.78  0.030 / 0.040
G13     52.9           29.5                8.1 +/-    0.53      14.4 +/-    0.53  0.040 / 0.060
G15     86.0           57.8               11.6 +/-    0.57      13.4 +/-    0.57  0.060 / 0.170
G16     293.9          15.7                8.6 +/-    3.64      21.1 +/-    3.64  0.060 / 0.150
G20     276.4          56.8               13.9 +/-    0.79      16.2 +/-    0.79  0.040 / 0.070
G21     333.8          60.3               11.2 +/-    0.40      12.7 +/-    0.40  0.040 / 0.050
G26     265.6          15.3               12.9 +/-    1.59      31.9 +/-    1.59  0.030 / 0.050
G29     165.5          49.9               13.8 +/-    0.72      17.5 +/-    0.72  0.020 / 0.050