PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-07:27:50
G03     245.0          68.3                5.4 +/-    0.47       5.7 +/-    0.47  0.040 / 0.040
G09     303.9          20.0                3.7 +/-    1.71       8.1 +/-    1.71  0.050 / 0.050
G14     98.8           16.1                4.7 +/-    1.46      11.4 +/-    1.46  0.040 / 0.060
G16     122.1          58.9                6.9 +/-    0.31       7.9 +/-    0.31  0.050 / 0.050
G22     196.6          56.4                5.8 +/-    0.53       6.9 +/-    0.53  0.100 / 0.250
G23     318.7          48.6                4.5 +/-    0.42       5.7 +/-    0.42  0.110 / 0.270
G26     67.5           50.2                6.2 +/-    0.71       7.8 +/-    0.71  0.030 / 0.040
G31     52.6           18.0                2.5 +/-    3.34       5.8 +/-    3.34  0.040 / 0.040