PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-02:58:10
G08     292.8          23.5                7.5 +/-    1.03      15.1 +/-    1.03  0.040 / 0.070
G10     2.3            63.0                6.7 +/-    0.89       7.4 +/-    0.89  0.050 / 0.080
G14     229.3          47.2                9.8 +/-    1.16      12.8 +/-    1.16  0.050 / 0.070
G18     60.2           52.9                6.6 +/-    1.08       8.0 +/-    1.08  0.050 / 0.090
G21     145.3          41.4                9.4 +/-    1.00      13.4 +/-    1.00  0.040 / 0.040
G24     58.5           27.2                5.8 +/-    0.81      10.7 +/-    0.81  0.060 / 0.040
G27     253.9          32.0                8.7 +/-    1.53      14.7 +/-    1.53  0.060 / 0.080
G32     243.1          65.4                9.0 +/-    0.57       9.8 +/-    0.57  0.050 / 0.070