PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-10:27:30
G02     333.8          80.1                3.9 +/-    0.63       3.9 +/-    0.63  0.070 / 0.120
G05     168.8          27.3                5.5 +/-    1.26      10.3 +/-    1.26  0.080 / 0.100
G06     40.4           43.1                2.7 +/-    0.66       3.8 +/-    0.66  0.110 / 0.200
G12     316.2          71.1               -4.2 +/-   11.66      -4.5 +/-   11.66  0.080 / 0.200
G17     82.3           13.4                4.4 +/-    1.32      11.4 +/-    1.32  0.030 / 0.030
G19     72.0           27.5                3.5 +/-    0.38       6.5 +/-    0.38  0.040 / 0.030
G24     233.0          25.5                8.2 +/-    1.80      15.9 +/-    1.80  0.060 / 0.110
G25     317.2          24.8                3.5 +/-    3.70       6.8 +/-    3.70  0.060 / 0.110