PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/15-03:27:40
G08     267.6          19.1                8.1 +/-    3.13      18.3 +/-    3.13  0.040 / 0.030
G10     55.4           60.0                4.9 +/-    1.07       5.5 +/-    1.07  0.030 / 0.030
G11     311.5          17.7                6.0 +/-    3.99      14.1 +/-    3.99  0.140 / 0.170
G14     264.8          66.5                5.3 +/-    1.34       5.7 +/-    1.34  0.120 / 0.100
G18     88.9           38.8                6.3 +/-    1.05       9.4 +/-    1.05  0.030 / 0.030
G21     153.8          17.1                5.6 +/-    3.43      13.3 +/-    3.43  0.040 / 0.030
G24     41.2           13.0                4.8 +/-    3.30      12.5 +/-    3.30  0.080 / 0.190
G27     232.0          16.9                8.3 +/-    1.93      19.7 +/-    1.93  0.130 / 0.230
G31     179.2          27.6                8.5 +/-    1.95      15.7 +/-    1.95  0.040 / 0.040
G32     324.4          75.0                6.7 +/-    0.63       6.9 +/-    0.63  0.040 / 0.040