PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-01:27:50
G08     300.9          22.3                6.9 +/-    1.91      14.4 +/-    1.91  0.050 / 0.070
G10     345.4          61.7                8.0 +/-    0.53       9.0 +/-    0.53  0.050 / 0.090
G14     223.0          39.8               11.4 +/-    1.17      16.6 +/-    1.17  0.030 / 0.040
G18     49.6           56.4                8.4 +/-    0.96       9.9 +/-    0.96  0.030 / 0.050
G21     140.4          48.8               11.6 +/-    1.03      14.9 +/-    1.03  0.030 / 0.070
G24     66.7           29.6                9.3 +/-    0.43      16.4 +/-    0.43  0.040 / 0.070
G27     263.0          35.5               10.6 +/-    1.47      16.6 +/-    1.47  0.060 / 0.090
G32     231.3          57.7                9.9 +/-    0.58      11.5 +/-    0.58  0.070 / 0.100