PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-20:28:10
G10     296.0          51.5               12.4 +/-    0.66      15.4 +/-    0.66  0.060 / 0.110
G14     209.9          10.4               -6.0 +/-   26.94     -16.5 +/-   26.94  0.060 / 0.090
G15     47.0           33.1                9.5 +/-    1.11      15.6 +/-    1.11  0.040 / 0.050
G20     349.7          65.4               12.0 +/-    0.75      13.0 +/-    0.75  0.040 / 0.040
G21     93.7           74.3               12.6 +/-    0.91      13.1 +/-    0.91  0.190 / 1.030
G24     95.5           25.8               12.3 +/-    1.18      23.7 +/-    1.18  0.070 / 0.150
G27     302.9          32.8               14.4 +/-    1.24      23.9 +/-    1.24  0.070 / 0.120
G32     209.9          31.6               14.6 +/-    1.60      24.7 +/-    1.60  0.050 / 0.070