PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-17:43:00
G10     262.2          36.8               12.5 +/-    1.05      19.2 +/-    1.05  0.100 / 0.260
G13     44.0           20.8               10.4 +/-    2.45      22.6 +/-    2.45  0.100 / 0.240
G15     63.8           51.1               10.3 +/-    1.05      12.9 +/-    1.05  0.150 / 0.420
G16     283.0          14.2               10.5 +/-    1.79      26.5 +/-    1.79  0.160 / 0.490
G20     291.6          59.3               10.1 +/-    0.95      11.5 +/-    0.95  0.050 / 0.050
G21     352.0          68.1               11.3 +/-    0.80      12.1 +/-    0.80  0.040 / 0.040
G24     126.3          11.1                8.7 +/-   16.73      23.6 +/-   16.73  0.350 / 0.400
G27     320.7          14.7                8.5 +/-    1.28      21.3 +/-    1.28  0.300 / 0.330
G29     166.7          37.6               11.7 +/-    1.28      17.7 +/-    1.28  0.160 / 0.240