PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-02:58:00
G10     247.2          23.7               11.9 +/-    2.98      24.0 +/-    2.98  0.050 / 0.070
G13     57.5           32.1               10.8 +/-    0.92      18.2 +/-    0.92  0.040 / 0.050
G15     96.4           58.1               11.9 +/-    0.59      13.8 +/-    0.59  0.140 / 0.520
G16     298.7          15.8                7.7 +/-    2.83      18.7 +/-    2.83  0.160 / 0.560
G20     268.4          53.3               14.3 +/-    1.32      17.4 +/-    1.32  0.070 / 0.190
G21     328.1          56.8               10.8 +/-    0.93      12.6 +/-    0.93  0.070 / 0.170
G26     270.3          17.2               12.3 +/-    1.96      28.9 +/-    1.96  0.050 / 0.150
G29     164.1          55.5               14.5 +/-    0.91      17.2 +/-    0.91  0.050 / 0.150