PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-09:12:50
G10     266.0          38.4                5.8 +/-    1.31       8.7 +/-    1.31  0.180 / 0.400
G13     42.2           18.5                3.0 +/-    0.78       6.9 +/-    0.78  0.230 / 0.480
G15     59.6           48.8                4.2 +/-    0.86       5.4 +/-    0.86  0.070 / 0.110
G16     285.6          11.8                4.1 +/-    2.04      10.9 +/-    2.04  0.060 / 0.080
G20     296.1          60.0                4.2 +/-    0.48       4.8 +/-    0.48  0.160 / 0.270
G21     12.5           72.5               -6.2 +/-    0.98      -6.4 +/-    0.98  0.140 / 0.250
G24     119.5          13.8                5.6 +/-    1.44      14.4 +/-    1.44  0.050 / 0.110
G27     320.1          16.1                1.3 +/-    1.40       3.2 +/-    1.40  0.040 / 0.090
G29     164.9          27.6                7.7 +/-    1.11      14.2 +/-    1.11  0.050 / 0.050