PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-01:12:30
G10     247.7          24.3               13.6 +/-    0.92      27.0 +/-    0.92  0.140 / 0.340
G13     56.8           31.7               11.5 +/-    1.20      19.5 +/-    1.20  0.140 / 0.360
G15     97.0           58.6               13.3 +/-    0.83      15.3 +/-    0.83  0.040 / 0.040
G16     297.9          15.9                8.7 +/-    1.51      21.2 +/-    1.51  0.040 / 0.040
G20     259.9          39.5               11.7 +/-    3.23      17.1 +/-    3.23  0.080 / 0.140
G21     328.6          57.2               11.8 +/-    0.43      13.8 +/-    0.43  0.070 / 0.120
G26     269.6          17.0               12.2 +/-    1.32      28.9 +/-    1.32  0.040 / 0.030
G29     164.3          54.9               12.4 +/-    0.45      14.7 +/-    0.45  0.030 / 0.040