PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-04:27:40
G03     229.7          65.2                6.1 +/-    0.78       6.7 +/-    0.78  0.100 / 0.240
G07     251.3          11.0               -5.3 +/-   11.52     -14.6 +/-   11.52  0.090 / 0.240
G09     308.3          27.3                3.5 +/-    2.56       6.4 +/-    2.56  0.040 / 0.040
G14     103.5          11.6                3.9 +/-    4.27      10.4 +/-    4.27  0.040 / 0.050
G16     112.5          62.0                7.1 +/-    0.57       7.9 +/-    0.57  0.070 / 0.050
G22     193.5          50.7                7.3 +/-    0.50       9.2 +/-    0.50  0.050 / 0.040
G23     322.3          52.2                5.6 +/-    0.73       6.9 +/-    0.73  0.040 / 0.050
G26     61.5           48.2                4.5 +/-    0.90       5.8 +/-    0.90  0.040 / 0.050
G31     55.1           15.5                3.3 +/-    2.15       8.1 +/-    2.15  0.150 / 0.320