PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-14:12:50
G01     270.6          41.6                6.9 +/-    2.05       9.8 +/-    2.05  0.050 / 0.070
G03     316.3          32.6                3.6 +/-    2.22       6.0 +/-    2.22  0.050 / 0.050
G10     129.4          16.1                7.6 +/-    1.28      18.3 +/-    1.28  0.170 / 0.160
G11     249.4          19.7                6.4 +/-    2.83      14.2 +/-    2.83  0.160 / 0.230
G14     43.9           49.5                4.7 +/-    1.06       6.0 +/-    1.06  0.110 / 0.330
G18     230.6          38.6                5.6 +/-    1.08       8.4 +/-    1.08  0.080 / 0.260
G22     314.4          55.2                4.2 +/-    1.25       5.0 +/-    1.25  0.050 / 0.050
G25     51.2           15.5                4.7 +/-    1.51      11.5 +/-    1.51  0.060 / 0.050
G31     60.0           76.4                5.5 +/-    0.46       5.6 +/-    0.46  0.050 / 0.060
G32     61.1           36.3                5.5 +/-    0.84       8.5 +/-    0.84  0.070 / 0.050