PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-10:43:10
G08     314.1          16.9                4.2 +/-    1.91      10.0 +/-    1.91  0.030 / 0.050
G10     321.3          58.3                4.0 +/-    0.52       4.6 +/-    0.52  0.040 / 0.040
G14     214.5          25.4                5.4 +/-    2.28      10.5 +/-    2.28  0.030 / 0.040
G15     45.9           15.1                1.6 +/-    2.61       4.0 +/-    2.61  0.030 / 0.030
G20     25.0           62.6                5.0 +/-    1.60       5.5 +/-    1.60  0.090 / 0.060
G21     127.4          59.3                6.3 +/-    0.44       7.2 +/-    0.44  0.100 / 0.060
G24     79.5           29.2                4.4 +/-    1.38       7.9 +/-    1.38  0.140 / 0.210
G27     286.2          36.9                6.2 +/-    1.16       9.5 +/-    1.16  0.110 / 0.250
G32     218.2          41.7                5.7 +/-    1.28       8.0 +/-    1.28  0.120 / 0.220