PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-23:58:10
G10     272.5          41.4               10.0 +/-    1.82      14.2 +/-    1.82  0.110 / 0.100
G13     39.8           14.3                7.1 +/-    4.11      17.9 +/-    4.11  0.140 / 0.120
G15     56.3           47.8                8.6 +/-    0.84      11.1 +/-    0.84  0.050 / 0.040
G20     276.5          39.4                7.5 +/-    0.64      11.0 +/-    0.64  0.040 / 0.030
G21     12.9           74.4                9.4 +/-    0.26       9.7 +/-    0.26  0.100 / 0.190
G24     114.7          17.2               12.1 +/-    2.06      28.4 +/-    2.06  0.110 / 0.170
G27     316.3          22.4                8.6 +/-    1.72      17.8 +/-    1.72  0.130 / 0.420
G29     168.8          27.1               11.5 +/-    1.45      21.3 +/-    1.45  0.150 / 0.280
G32     204.6          15.3               14.6 +/-    1.69      36.1 +/-    1.69  0.040 / 0.040