PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-06:58:00
G08     317.5          13.5                3.2 +/-    1.70       8.2 +/-    1.70  0.420 / 0.490
G10     317.9          57.3                3.8 +/-    0.62       4.4 +/-    0.62  0.360 / 0.650
G14     215.2          19.3                5.3 +/-    1.36      11.8 +/-    1.36  0.070 / 0.060
G15     45.8           16.9                4.5 +/-    2.28      10.7 +/-    2.28  0.060 / 0.060
G20     55.5           49.2                6.0 +/-    0.79       7.7 +/-    0.79  0.040 / 0.040
G21     125.0          64.5                8.0 +/-    0.80       8.8 +/-    0.80  0.030 / 0.040
G24     82.6           29.7                8.0 +/-    0.72      14.1 +/-    0.72  0.130 / 0.240
G27     284.3          37.7                6.9 +/-    1.08      10.5 +/-    1.08  0.220 / 0.290
G32     217.3          46.7                7.9 +/-    1.16      10.3 +/-    1.16  0.070 / 0.100