PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-09:12:40
G05     49.8           14.0                2.0 +/-    1.13       5.2 +/-    1.13  0.190 / 0.220
G10     237.4          13.4                2.2 +/-    2.26       5.6 +/-    2.26  0.090 / 0.170
G13     74.0           36.7                6.2 +/-    0.98       9.5 +/-    0.98  0.220 / 0.300
G15     118.5          53.5                6.5 +/-    0.71       7.8 +/-    0.71  0.220 / 0.390
G16     313.3          12.5                1.7 +/-    2.38       4.6 +/-    2.38  0.040 / 0.050
G20     17.8           70.6                3.7 +/-    0.34       3.9 +/-    0.34  0.060 / 0.040
G21     316.2          49.5                3.3 +/-    0.78       4.2 +/-    0.78  0.040 / 0.040
G26     285.2          20.3                5.0 +/-    1.69      10.9 +/-    1.69  0.040 / 0.040
G29     156.5          69.0                7.8 +/-    0.46       8.2 +/-    0.46  0.050 / 0.090