PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-14:42:50
G08     285.1          21.7                6.5 +/-    1.04      13.7 +/-    1.04  0.100 / 0.300
G10     28.8           62.8                5.9 +/-    0.66       6.5 +/-    0.66  0.230 / 0.210
G14     240.4          53.8                8.1 +/-    1.06       9.7 +/-    1.06  0.060 / 0.130
G21     150.1          27.8                6.9 +/-    0.94      12.6 +/-    0.94  0.070 / 0.140
G24     48.4           20.9                4.2 +/-    0.96       8.9 +/-    0.96  0.050 / 0.060
G27     243.3          25.6                7.9 +/-    2.31      15.2 +/-    2.31  0.040 / 0.060
G31     181.3          15.7                9.7 +/-    3.49      23.8 +/-    3.49  0.090 / 0.160
G32     276.4          74.8                7.0 +/-    0.57       7.2 +/-    0.57  0.080 / 0.160