PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-00:12:30
G10     247.3          25.4               13.1 +/-    0.77      25.4 +/-    0.77  0.090 / 0.140
G13     56.7           30.9               12.6 +/-    2.25      21.8 +/-    2.25  0.110 / 0.180
G15     93.2           57.6               14.8 +/-    0.95      17.2 +/-    0.95  0.040 / 0.040
G16     300.6          15.2                8.5 +/-    1.86      21.0 +/-    1.86  0.050 / 0.050
G20     264.9          48.0               13.1 +/-    2.75      17.0 +/-    2.75  0.150 / 0.250
G21     329.1          57.0               11.7 +/-    0.46      13.7 +/-    0.46  0.130 / 0.410
G26     272.5          16.8               11.2 +/-    1.34      26.6 +/-    1.34  0.060 / 0.200
G29     161.5          53.4               13.8 +/-    0.82      16.7 +/-    0.82  0.090 / 0.110