PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-10:57:30
G08     305.7          19.2                3.3 +/-    1.05       7.5 +/-    1.05  0.070 / 0.150
G10     348.2          62.0                3.8 +/-    0.44       4.3 +/-    0.44  0.060 / 0.100
G14     223.4          35.9                7.5 +/-    2.14      11.7 +/-    2.14  0.210 / 0.230
G20     86.7           14.6                4.3 +/-    3.06      10.8 +/-    3.06  0.210 / 0.360
G21     141.2          48.0                5.7 +/-    0.40       7.4 +/-    0.40  0.050 / 0.040
G24     64.9           28.8                3.3 +/-    1.41       5.9 +/-    1.41  0.040 / 0.060
G27     263.2          35.3                7.8 +/-    2.11      12.3 +/-    2.11  0.070 / 0.100
G32     232.8          61.7                7.0 +/-    1.29       7.8 +/-    1.29  0.070 / 0.100