PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-21:13:20
G10     268.0          38.9                9.6 +/-    1.34      14.2 +/-    1.34  0.050 / 0.030
G13     41.4           17.4                8.0 +/-    2.63      18.7 +/-    2.63  0.050 / 0.040
G15     62.6           53.1                8.7 +/-    0.72      10.6 +/-    0.72  0.240 / 0.450
G16     277.6          11.9                8.9 +/-    1.35      23.9 +/-    1.35  0.260 / 0.500
G20     299.1          60.7                8.6 +/-    0.83       9.8 +/-    0.83  0.190 / 0.150
G21     4.9            72.3               10.0 +/-    0.46      10.5 +/-    0.46  0.120 / 0.130
G24     117.3          15.0               11.2 +/-    2.17      27.8 +/-    2.17  0.130 / 0.280
G27     318.7          18.6                8.4 +/-    2.05      19.0 +/-    2.05  0.150 / 0.350
G29     168.1          30.9                9.7 +/-    1.57      16.7 +/-    1.57  0.100 / 0.300
G32     204.1          10.8              -13.7 +/-   26.23     -37.6 +/-   26.23  0.150 / 0.370