PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-12:13:10
G10     261.7          34.4                4.8 +/-    2.04       7.7 +/-    2.04  0.130 / 0.200
G13     45.0           22.8                3.6 +/-    2.42       7.3 +/-    2.42  0.120 / 0.240
G15     63.8           50.8                5.8 +/-    1.01       7.2 +/-    1.01  0.130 / 0.340
G16     285.7          13.0                3.4 +/-    1.75       9.0 +/-    1.75  0.110 / 0.280
G20     47.9           43.4                5.3 +/-    1.30       7.3 +/-    1.30  0.050 / 0.040
G21     358.9          70.1                5.6 +/-    0.81       5.9 +/-    0.81  0.050 / 0.030
G24     125.2          11.0                4.2 +/-   11.92      11.4 +/-   11.92  0.060 / 0.060
G27     320.2          15.8                2.8 +/-    2.65       6.9 +/-    2.65  0.060 / 0.060
G29     166.5          34.5                8.0 +/-    1.09      12.9 +/-    1.09  0.390 / 0.420