PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-18:43:20
G10     246.3          23.3               11.9 +/-    1.93      24.1 +/-    1.93  0.040 / 0.060
G13     58.5           32.3               12.7 +/-    0.69      21.2 +/-    0.69  0.040 / 0.050
G15     105.4          59.1               14.0 +/-    0.55      16.0 +/-    0.55  0.160 / 0.620
G16     300.6          15.5                6.1 +/-    2.79      15.0 +/-    2.79  0.160 / 0.570
G20     263.1          47.3               12.5 +/-    0.80      16.4 +/-    0.80  0.050 / 0.120
G21     328.5          56.9               11.5 +/-    1.02      13.4 +/-    1.02  0.050 / 0.140
G26     273.3          17.4                8.9 +/-    1.90      20.9 +/-    1.90  0.030 / 0.040
G29     162.8          56.2               15.1 +/-    0.66      17.8 +/-    0.66  0.030 / 0.040