PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-18:13:00
G10     262.8          37.2               10.8 +/-    1.57      16.4 +/-    1.57  0.120 / 0.240
G13     43.7           20.3               10.8 +/-    1.81      23.5 +/-    1.81  0.120 / 0.250
G15     63.3           51.0               10.7 +/-    0.98      13.3 +/-    0.98  0.170 / 0.470
G16     282.5          14.0                9.7 +/-    3.29      24.7 +/-    3.29  0.150 / 0.670
G20     292.4          59.4               10.2 +/-    1.01      11.7 +/-    1.01  0.050 / 0.050
G21     352.8          68.5               11.1 +/-    0.67      11.9 +/-    0.67  0.050 / 0.050
G24     125.9          11.5               10.8 +/-    6.71      29.1 +/-    6.71  0.230 / 0.260
G27     320.6          15.2                8.7 +/-    1.61      21.4 +/-    1.61  0.170 / 0.210
G29     166.7          36.9                9.8 +/-    1.19      15.1 +/-    1.19  0.330 / 0.340