PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-10:43:10
G01     251.0          36.3               -1.7 +/-   32.88      -2.6 +/-   32.88  0.030 / 0.050
G03     316.4          46.9               -9.8 +/-   38.59     -12.9 +/-   38.59  0.040 / 0.050
G11     237.4          11.9               -0.0 +/-   42.09      -0.1 +/-   42.09  0.060 / 0.100
G14     59.4           41.0               -8.6 +/-   38.25     -12.3 +/-   38.25  0.060 / 0.410
G18     219.6          27.5                5.7 +/-    3.15      10.6 +/-    3.15  0.050 / 0.100
G22     303.5          68.6                3.0 +/-    2.62       3.2 +/-    2.62  0.060 / 0.090
G23     286.4          19.9               -3.5 +/-    2.75      -7.7 +/-    2.75  0.060 / 0.080
G26     139.3          36.6                5.4 +/-    3.27       8.4 +/-    3.27  0.060 / 0.330
G31     41.9           59.3                1.8 +/-    1.78       2.1 +/-    1.78  0.100 / 0.250
G32     74.4           26.7               -6.5 +/-   36.16     -12.2 +/-   36.16  0.090 / 0.160