PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-23:42:40
G10     272.7          41.5               11.9 +/-    0.82      16.8 +/-    0.82  0.090 / 0.140
G13     39.8           14.2                7.5 +/-    1.81      19.0 +/-    1.81  0.090 / 0.130
G15     56.3           47.9                8.4 +/-    0.37      10.9 +/-    0.37  0.040 / 0.040
G16     272.6          10.4                9.0 +/-    1.27      24.9 +/-    1.27  0.040 / 0.040
G20     275.3          37.5               15.4 +/-    1.65      23.3 +/-    1.65  0.110 / 0.560
G21     13.3           74.4                9.8 +/-    0.69      10.1 +/-    0.69  0.110 / 0.770
G24     114.5          17.3               11.1 +/-    1.15      26.0 +/-    1.15  0.060 / 0.070
G27     316.2          22.5                6.7 +/-    2.34      13.8 +/-    2.34  0.060 / 0.070
G29     168.8          27.0               12.4 +/-    1.28      23.2 +/-    1.28  0.110 / 0.300
G32     204.6          15.4               16.7 +/-    4.75      41.0 +/-    4.75  0.150 / 0.310