PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-00:42:40
G08     299.1          22.7               20.9 +/-    1.32      43.1 +/-    1.32  0.060 / 0.080
G10     349.4          62.1               21.0 +/-    0.65      23.5 +/-    0.65  0.060 / 0.080
G14     224.3          41.5               27.1 +/-    1.34      38.4 +/-    1.34  0.040 / 0.070
G18     52.8           55.3               23.3 +/-    0.65      27.7 +/-    0.65  0.050 / 0.080
G21     141.6          46.6               22.4 +/-    1.05      29.6 +/-    1.05  0.030 / 0.040
G24     64.7           29.2               26.6 +/-    0.52      47.4 +/-    0.52  0.030 / 0.040
G27     260.8          34.8               24.5 +/-    1.71      39.0 +/-    1.71  0.060 / 0.090
G32     233.5          58.9               24.7 +/-    0.90      28.4 +/-    0.90  0.070 / 0.120