PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-15:12:30
G01     312.6          28.3                7.1 +/-    1.59      12.9 +/-    1.59  0.080 / 0.190
G10     97.9           45.4                7.1 +/-    0.71       9.6 +/-    0.71  0.110 / 0.140
G11     292.8          25.9                5.4 +/-    1.04      10.3 +/-    1.04  0.040 / 0.040
G14     333.4          69.7                6.8 +/-    0.62       7.2 +/-    0.62  0.030 / 0.040
G22     307.3          21.9                8.7 +/-    1.88      18.2 +/-    1.88  0.040 / 0.030
G25     89.9           14.3                8.8 +/-    2.01      22.3 +/-    2.01  0.030 / 0.040
G31     170.4          57.8               10.6 +/-    0.41      12.2 +/-    0.41  0.170 / 0.260
G32     29.1           57.0                6.5 +/-    1.24       7.6 +/-    1.24  0.220 / 0.290