PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-06:57:30
G02     32.7           55.5                3.3 +/-    0.48       3.9 +/-    0.48  0.030 / 0.030
G05     140.8          61.2                5.8 +/-    0.78       6.5 +/-    0.78  0.020 / 0.030
G06     51.5           20.6               -0.1 +/-    1.79      -0.3 +/-    1.79  0.040 / 0.030
G12     205.7          70.7                4.8 +/-    1.20       5.1 +/-    1.20  0.030 / 0.040
G19     98.5           11.1                3.8 +/-    2.24      10.4 +/-    2.24  0.050 / 0.040
G25     294.9          55.8                3.0 +/-    1.40       3.5 +/-    1.40  0.050 / 0.050
G29     308.2          30.3                3.1 +/-    1.12       5.5 +/-    1.12  0.060 / 0.100