PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-05:27:50
G01     320.0          15.2               -8.4 +/-   29.18     -20.7 +/-   29.18  0.030 / 0.040
G08     260.6          14.7                8.6 +/-    1.65      21.5 +/-    1.65  0.040 / 0.040
G10     74.7           54.8                4.5 +/-    0.39       5.4 +/-    0.39  0.220 / 0.290
G11     305.8          21.5                6.3 +/-    1.57      13.3 +/-    1.57  0.180 / 0.270
G14     281.1          67.8                5.5 +/-    0.75       5.9 +/-    0.75  0.170 / 0.290
G18     307.6          37.7                3.9 +/-    1.75       5.9 +/-    1.75  0.150 / 0.270
G20     98.4           40.4                5.9 +/-    1.21       8.5 +/-    1.21  0.140 / 0.300
G27     226.2          10.8                7.5 +/-    1.47      20.6 +/-    1.47  0.110 / 0.270
G31     174.8          40.4                6.0 +/-    1.07       8.6 +/-    1.07  0.160 / 0.300
G32     5.7            68.6                4.8 +/-    0.49       5.2 +/-    0.49  0.150 / 0.300