PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-19:12:50
G05     48.5           18.1                8.8 +/-    0.62      20.2 +/-    0.62  0.170 / 0.350
G10     236.2          14.4               13.8 +/-    2.66      34.9 +/-    2.66  0.350 / 0.450
G13     74.1           35.2               11.2 +/-    0.52      17.6 +/-    0.52  0.110 / 0.400
G15     125.8          52.6               13.6 +/-    0.50      16.7 +/-    0.50  0.120 / 0.360
G16     313.4          12.8                8.2 +/-    1.72      21.4 +/-    1.72  0.060 / 0.080
G20     249.1          38.2               13.8 +/-    1.27      20.8 +/-    1.27  0.040 / 0.070
G21     313.4          46.4               10.0 +/-    0.87      13.2 +/-    0.87  0.050 / 0.140
G25     199.8          11.5               12.1 +/-    3.22      32.7 +/-    3.22  0.050 / 0.130
G26     287.1          20.1               10.3 +/-    1.74      22.6 +/-    1.74  0.030 / 0.050
G29     153.4          72.6               14.2 +/-    1.28      14.8 +/-    1.28  0.050 / 0.050