PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-12:43:10
G08     258.8          11.5                7.2 +/-    1.66      19.5 +/-    1.66  0.040 / 0.040
G10     84.6           51.6                3.3 +/-    1.16       4.0 +/-    1.16  0.040 / 0.050
G11     302.1          22.9                3.6 +/-    1.12       7.4 +/-    1.12  0.070 / 0.070
G14     299.7          69.7                3.9 +/-    0.93       4.1 +/-    0.93  0.070 / 0.070
G18     302.1          41.7                4.5 +/-    0.95       6.4 +/-    0.95  0.110 / 0.320
G22     303.2          16.0                1.4 +/-    2.21       3.3 +/-    2.21  0.210 / 0.290
G25     99.2           9.9               -11.2 +/-   24.98     -31.4 +/-   24.98  0.150 / 0.350
G31     173.7          47.1                7.0 +/-    0.78       9.1 +/-    0.78  0.150 / 0.380
G32     16.2           64.1                4.2 +/-    0.56       4.6 +/-    0.56  0.030 / 0.030