PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-03:12:40
G08     314.3          16.5                7.1 +/-    2.40      17.0 +/-    2.40  0.030 / 0.030
G10     316.2          56.8                6.5 +/-    0.60       7.7 +/-    0.60  0.040 / 0.030
G14     214.4          25.4                9.3 +/-    2.58      18.0 +/-    2.58  0.050 / 0.090
G15     45.8           19.9                3.2 +/-    0.96       7.2 +/-    0.96  0.050 / 0.080
G18     21.2           63.3                6.0 +/-    0.85       6.7 +/-    0.85  0.100 / 0.310
G21     124.3          64.4                6.6 +/-    0.74       7.2 +/-    0.74  0.120 / 0.300
G24     84.6           30.1                6.9 +/-    0.53      12.1 +/-    0.53  0.070 / 0.120
G27     283.0          38.1                7.8 +/-    1.22      11.8 +/-    1.22  0.060 / 0.130
G32     217.7          44.1               10.4 +/-    1.33      14.3 +/-    1.33  0.040 / 0.040