PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/16-00:28:10
G02     240.0          75.8               11.2 +/-    0.36      11.5 +/-    0.36  0.130 / 0.120
G05     171.3          15.7               15.7 +/-    1.62      38.4 +/-    1.62  0.080 / 0.110
G06     40.3           63.1                8.9 +/-    0.56       9.8 +/-    0.56  0.030 / 0.050
G12     320.7          47.9                9.5 +/-    0.74      12.2 +/-    0.74  0.060 / 0.050
G17     70.1           22.1                8.3 +/-    2.13      17.3 +/-    2.13  0.050 / 0.070
G19     55.7           39.1                9.5 +/-    1.30      14.0 +/-    1.30  0.050 / 0.050
G24     244.8          35.2               13.0 +/-    2.01      20.5 +/-    2.01  0.480 / 0.380
G25     316.1          12.1               -2.9 +/-   34.06      -7.8 +/-   34.06  0.260 / 0.320