PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-01:27:40
G05     49.3           14.8                5.2 +/-    2.58      13.1 +/-    2.58  0.040 / 0.070
G10     236.9          14.8               12.1 +/-    1.62      30.3 +/-    1.62  0.040 / 0.070
G13     72.9           35.3                8.0 +/-    1.12      12.7 +/-    1.12  0.320 / 0.480
G15     119.9          53.4               10.7 +/-    0.44      12.9 +/-    0.44  0.160 / 0.380
G16     314.4          11.9                7.3 +/-    3.57      19.6 +/-    3.57  0.140 / 0.270
G20     249.7          38.1               12.0 +/-    1.40      18.0 +/-    1.40  0.170 / 0.250
G21     315.1          47.9                8.5 +/-    1.03      11.0 +/-    1.03  0.140 / 0.380
G25     198.8          10.3                7.2 +/-   20.51      20.0 +/-   20.51  0.120 / 0.380
G26     287.2          19.7                8.6 +/-    1.34      19.1 +/-    1.34  0.050 / 0.120
G29     153.0          68.6                9.7 +/-    0.46      10.3 +/-    0.46  0.050 / 0.150