PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-17:12:40
G05     50.7           14.0                5.2 +/-    1.58      13.4 +/-    1.58  0.120 / 0.250
G10     240.8          19.6               10.1 +/-    2.63      22.4 +/-    2.63  0.180 / 0.300
G13     65.8           33.9                7.9 +/-    1.01      12.9 +/-    1.01  0.060 / 0.070
G15     109.7          56.1                9.7 +/-    0.59      11.4 +/-    0.59  0.060 / 0.060
G16     307.0          14.9                6.7 +/-    2.23      16.7 +/-    2.23  0.100 / 0.450
G20     256.4          44.0                9.0 +/-    3.60      12.4 +/-    3.60  0.110 / 0.390
G21     320.3          51.1                8.5 +/-    0.57      10.6 +/-    0.57  0.060 / 0.120
G26     280.2          19.1                7.0 +/-    0.99      15.6 +/-    0.99  0.060 / 0.130
G29     158.6          65.3               10.0 +/-    0.60      10.9 +/-    0.60  0.030 / 0.040