PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-23:27:40
G08     314.5          16.4               11.2 +/-    1.83      26.9 +/-    1.83  0.040 / 0.040
G10     316.4          56.8               11.3 +/-    0.77      13.2 +/-    0.77  0.040 / 0.050
G14     214.4          25.2               17.2 +/-    4.90      33.5 +/-    4.90  0.070 / 0.100
G15     45.7           17.7               10.4 +/-    1.43      24.1 +/-    1.43  0.070 / 0.100
G18     24.6           62.6               11.7 +/-    0.41      13.0 +/-    0.41  0.050 / 0.060
G21     125.0          62.8               13.7 +/-    0.62      15.2 +/-    0.62  0.040 / 0.070
G24     84.7           30.2               14.1 +/-    0.68      24.7 +/-    0.68  0.060 / 0.090
G27     283.0          38.1               13.2 +/-    0.81      19.9 +/-    0.81  0.060 / 0.080
G32     217.9          41.9               15.4 +/-    1.23      21.8 +/-    1.23  0.030 / 0.050