PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-10:12:30
G02     201.8          31.7                9.8 +/-    1.71      16.5 +/-    1.71  0.080 / 0.140
G06     170.9          62.4                9.7 +/-    0.74      10.8 +/-    0.74  0.040 / 0.170
G12     305.3          11.3               -1.3 +/-   16.21      -3.4 +/-   16.21  0.030 / 0.040
G17     34.4           50.6                3.8 +/-    0.71       4.8 +/-    0.71  0.020 / 0.060
G19     357.3          66.7                5.0 +/-    0.44       5.4 +/-    0.44  0.050 / 0.100
G24     303.2          35.0                5.1 +/-    1.07       8.1 +/-    1.07  0.050 / 0.100
G28     99.4           33.0                7.1 +/-    1.50      11.7 +/-    1.50  0.120 / 0.330