PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-00:27:40
G05     49.5           14.5                6.9 +/-    1.52      17.4 +/-    1.52  0.210 / 0.280
G10     237.3          15.4               12.1 +/-    1.09      29.8 +/-    1.09  0.130 / 0.250
G13     72.1           35.2               10.0 +/-    1.26      15.8 +/-    1.26  0.060 / 0.080
G15     119.2          53.8               12.0 +/-    0.40      14.5 +/-    0.40  0.040 / 0.060
G16     313.4          12.4                7.6 +/-    3.13      20.2 +/-    3.13  0.070 / 0.110
G20     250.3          38.4               11.6 +/-    1.59      17.4 +/-    1.59  0.080 / 0.110
G21     315.5          48.1                9.3 +/-    0.83      12.1 +/-    0.83  0.280 / 0.420
G26     286.3          19.7                6.3 +/-    2.50      14.1 +/-    2.50  0.180 / 0.450
G29     153.8          68.5               10.8 +/-    1.05      11.5 +/-    1.05  0.030 / 0.050