PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-07:28:00
G08     264.8          16.1               10.2 +/-    2.36      24.8 +/-    2.36  0.040 / 0.060
G10     69.4           56.4                5.5 +/-    1.23       6.4 +/-    1.23  0.040 / 0.060
G11     308.8          19.3                6.5 +/-    2.94      14.5 +/-    2.94  0.150 / 0.350
G14     271.5          65.3                5.7 +/-    0.62       6.2 +/-    0.62  0.170 / 0.340
G18     310.0          34.9                5.8 +/-    1.92       9.3 +/-    1.92  0.160 / 0.390
G20     102.7          25.9                7.7 +/-    1.11      14.7 +/-    1.11  0.150 / 0.380
G21     155.5          11.5                5.2 +/-    1.23      14.1 +/-    1.23  0.210 / 0.350
G27     228.3          12.7                6.4 +/-   22.39      16.9 +/-   22.39  0.170 / 0.540
G31     175.6          37.1               10.1 +/-    1.34      15.5 +/-    1.34  0.130 / 0.260
G32     358.8          70.8                6.5 +/-    0.85       6.9 +/-    0.85  0.110 / 0.270