PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-02:27:40
G10     269.2          39.5               10.9 +/-    1.04      16.0 +/-    1.04  0.260 / 0.350
G13     41.0           16.7                7.7 +/-    1.93      18.3 +/-    1.93  0.150 / 0.250
G15     58.2           48.7                9.3 +/-    0.83      11.9 +/-    0.83  0.180 / 0.300
G16     275.9          11.5                9.0 +/-    7.42      24.3 +/-    7.42  0.300 / 0.250
G20     292.3          56.7               11.9 +/-    0.55      13.9 +/-    0.55  0.050 / 0.030
G21     5.4            72.8               10.3 +/-    1.08      10.7 +/-    1.08  0.040 / 0.030
G24     117.7          15.5                9.7 +/-    1.96      23.8 +/-    1.96  0.060 / 0.090
G27     317.7          20.5                7.5 +/-    1.97      16.3 +/-    1.97  0.090 / 0.090
G29     168.6          29.9               11.1 +/-    1.26      19.5 +/-    1.26  0.110 / 0.220
G32     204.2          12.6               14.5 +/-    3.37      38.3 +/-    3.37  0.140 / 0.280