PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-02:43:10
G08     269.0          19.6                5.9 +/-    2.84      13.0 +/-    2.84  0.100 / 0.300
G10     52.6           60.5                5.4 +/-    0.90       6.1 +/-    0.90  0.080 / 0.380
G11     312.5          16.7                7.1 +/-    5.44      17.0 +/-    5.44  0.140 / 0.190
G14     261.6          65.6                5.3 +/-    0.50       5.8 +/-    0.50  0.100 / 0.200
G18     87.6           39.4                5.9 +/-    1.33       8.7 +/-    1.33  0.020 / 0.030
G21     153.4          18.3                5.9 +/-    3.45      13.6 +/-    3.45  0.020 / 0.040
G24     41.9           14.0                4.8 +/-    1.19      12.1 +/-    1.19  0.100 / 0.350
G27     233.1          17.8                9.4 +/-    2.54      21.9 +/-    2.54  0.150 / 0.350
G31     179.7          25.8                6.9 +/-    1.78      13.3 +/-    1.78  0.040 / 0.060
G32     317.0          75.2                7.0 +/-    0.84       7.2 +/-    0.84  0.040 / 0.060