PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-18:42:30
G10     257.0          32.0               12.5 +/-    3.27      21.1 +/-    3.27  0.040 / 0.050
G13     47.6           25.2               10.7 +/-    0.50      20.9 +/-    0.50  0.040 / 0.050
G15     78.1           57.8                9.7 +/-    0.37      11.2 +/-    0.37  0.100 / 0.340
G16     288.5          14.7                7.8 +/-    1.79      19.4 +/-    1.79  0.110 / 0.450
G20     280.2          55.2               11.6 +/-    0.78      13.7 +/-    0.78  0.060 / 0.170
G21     345.4          65.7                8.2 +/-    0.78       8.9 +/-    0.78  0.060 / 0.170
G26     261.9          12.5               11.0 +/-    3.12      29.0 +/-    3.12  0.030 / 0.040
G29     166.1          42.0               11.7 +/-    1.28      16.5 +/-    1.28  0.030 / 0.040