PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-19:42:40
G02     236.7          73.2               10.2 +/-    0.52      10.6 +/-    0.52  0.180 / 0.320
G05     172.2          15.0               13.2 +/-    2.18      32.9 +/-    2.18  0.080 / 0.240
G06     41.3           58.3                9.3 +/-    0.53      10.8 +/-    0.53  0.050 / 0.060
G12     322.3          53.4                9.3 +/-    1.15      11.3 +/-    1.15  0.040 / 0.050
G17     69.5           23.7                8.9 +/-    0.63      17.9 +/-    0.63  0.130 / 0.390
G19     53.3           41.8                8.3 +/-    0.36      11.8 +/-    0.36  0.140 / 0.450
G24     245.6          35.6               11.5 +/-    1.10      18.0 +/-    1.10  0.070 / 0.130
G25     316.3          11.1               -7.0 +/-   36.63     -19.0 +/-   36.63  0.070 / 0.090