PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-02:43:00
G08     300.2          22.5                5.9 +/-    0.90      12.3 +/-    0.90  0.060 / 0.030
G10     346.6          61.8                7.4 +/-    0.71       8.2 +/-    0.71  0.040 / 0.050
G14     223.4          40.5               10.0 +/-    2.17      14.4 +/-    2.17  0.060 / 0.070
G18     49.8           56.5                8.0 +/-    1.10       9.4 +/-    1.10  0.070 / 0.080
G21     140.9          48.7                8.5 +/-    0.76      10.9 +/-    0.76  0.030 / 0.020
G24     66.0           29.5                6.5 +/-    1.44      11.5 +/-    1.44  0.030 / 0.020
G27     262.2          35.3               10.1 +/-    1.68      16.0 +/-    1.68  0.040 / 0.050
G32     232.2          59.0                7.9 +/-    1.57       9.1 +/-    1.57  0.040 / 0.040