PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-01:42:30
G08     312.9          17.4                7.6 +/-    2.33      17.8 +/-    2.33  0.070 / 0.090
G10     319.5          57.5                8.1 +/-    0.84       9.4 +/-    0.84  0.080 / 0.060
G14     215.2          27.1               11.1 +/-    1.88      20.6 +/-    1.88  0.040 / 0.040
G15     45.9           17.3                7.5 +/-    1.84      17.6 +/-    1.84  0.040 / 0.050
G18     26.3           62.3               10.5 +/-    1.92      11.7 +/-    1.92  0.050 / 0.090
G21     127.1          62.2               11.6 +/-    0.99      12.9 +/-    0.99  0.080 / 0.100
G24     82.5           30.4                7.9 +/-    1.57      13.8 +/-    1.57  0.030 / 0.030
G27     280.5          38.1               10.4 +/-    2.41      15.6 +/-    2.41  0.030 / 0.030
G32     219.0          45.0               11.6 +/-    1.69      15.6 +/-    1.69  0.060 / 0.060