PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-07:27:50
G08     264.8          16.1                9.5 +/-   13.84      23.0 +/-   13.84  0.040 / 0.040
G10     69.4           56.4                7.7 +/-    0.65       9.0 +/-    0.65  0.040 / 0.050
G11     308.8          19.3                4.8 +/-    1.04      10.8 +/-    1.04  0.120 / 0.240
G14     271.5          65.3                8.6 +/-    0.36       9.3 +/-    0.36  0.160 / 0.380
G18     310.0          34.9                6.0 +/-    1.71       9.6 +/-    1.71  0.120 / 0.180
G20     102.7          25.9                5.7 +/-    2.01      10.9 +/-    2.01  0.170 / 0.220
G21     155.5          11.5                6.2 +/-    2.92      16.6 +/-    2.92  0.110 / 0.150
G27     228.3          12.7                9.3 +/-    3.73      24.5 +/-    3.73  0.090 / 0.240
G31     175.6          37.1               10.3 +/-    1.31      15.7 +/-    1.31  0.240 / 0.420
G32     358.8          70.8                7.7 +/-    0.64       8.1 +/-    0.64  0.230 / 0.380