PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-16:58:00
G01     256.6          37.5               10.8 +/-    2.10      16.4 +/-    2.10  0.030 / 0.040
G03     316.5          43.0                9.2 +/-    1.77      12.7 +/-    1.77  0.030 / 0.040
G11     243.9          15.1               11.2 +/-    1.18      27.8 +/-    1.18  0.050 / 0.080
G14     54.1           44.9                9.6 +/-    1.14      12.9 +/-    1.14  0.060 / 0.070
G22     308.6          63.9               10.6 +/-    0.96      11.6 +/-    0.96  0.040 / 0.030
G23     284.0          18.1                6.7 +/-    9.83      15.5 +/-    9.83  0.030 / 0.030
G25     43.6           13.0                7.1 +/-    2.76      18.6 +/-    2.76  0.100 / 0.150
G26     139.3          34.6               12.3 +/-    1.25      19.8 +/-    1.25  0.090 / 0.130
G31     42.5           62.2               10.6 +/-    0.51      11.8 +/-    0.51  0.050 / 0.050
G32     74.0           24.9                9.3 +/-    1.91      18.1 +/-    1.91  0.050 / 0.060