PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-20:12:40
G02     249.1          76.9               10.2 +/-    0.59      10.4 +/-    0.59  0.060 / 0.210
G05     170.4          18.8               14.6 +/-    1.54      33.0 +/-    1.54  0.070 / 0.200
G06     40.4           54.0               10.2 +/-    0.58      12.3 +/-    0.58  0.030 / 0.040
G12     322.1          57.6                9.4 +/-    0.84      10.9 +/-    0.84  0.030 / 0.040
G17     72.9           21.3               10.0 +/-    1.17      21.3 +/-    1.17  0.040 / 0.060
G19     58.0           39.1                9.8 +/-    0.92      14.5 +/-    0.92  0.040 / 0.050
G24     241.2          33.0               13.8 +/-    1.08      22.7 +/-    1.08  0.080 / 0.120
G25     317.1          14.7               10.6 +/-    2.52      26.6 +/-    2.52  0.090 / 0.120