PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-02:27:50
G08     305.0          21.2                9.3 +/-    0.94      19.9 +/-    0.94  0.100 / 0.060
G10     336.6          60.6                8.7 +/-    0.71       9.9 +/-    0.71  0.090 / 0.100
G14     220.2          35.9               12.0 +/-    2.04      18.8 +/-    2.04  0.050 / 0.050
G15     47.4           9.9                 6.1 +/-    5.16      17.0 +/-    5.16  0.040 / 0.040
G18     42.1           58.7                9.5 +/-    0.93      10.9 +/-    0.93  0.070 / 0.080
G21     137.0          53.5               11.2 +/-    0.71      13.6 +/-    0.71  0.060 / 0.070
G24     71.6           30.3                8.9 +/-    1.26      15.4 +/-    1.26  0.040 / 0.030
G27     268.4          36.8                8.3 +/-    1.61      12.7 +/-    1.61  0.040 / 0.030
G32     226.7          54.3               11.3 +/-    2.64      13.5 +/-    2.64  0.070 / 0.070