PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-23:12:30
G10     247.2          23.9               12.7 +/-    1.29      25.4 +/-    1.29  0.040 / 0.040
G13     57.4           31.9                9.9 +/-    1.59      16.6 +/-    1.59  0.040 / 0.040
G15     100.5          58.9               11.1 +/-    0.36      12.7 +/-    0.36  0.160 / 0.380
G16     298.2          16.1                7.5 +/-    2.04      18.0 +/-    2.04  0.130 / 0.350
G20     253.2          23.6               12.7 +/-    2.85      25.5 +/-    2.85  0.050 / 0.110
G21     327.7          56.6                9.7 +/-    0.54      11.3 +/-    0.54  0.070 / 0.110
G26     270.1          17.3               11.2 +/-    1.55      26.3 +/-    1.55  0.030 / 0.030
G29     164.1          55.8               10.5 +/-    0.59      12.4 +/-    0.59  0.030 / 0.040