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               10.2 +/-    0.76      15.5 +/-    0.76  0.030 / 0.040
G03     316.5          43.0                9.3 +/-    1.71      12.9 +/-    1.71  0.030 / 0.040
G11     243.9          15.1               10.0 +/-    1.75      24.8 +/-    1.75  0.080 / 0.150
G14     54.1           44.9                7.8 +/-    0.85      10.5 +/-    0.85  0.110 / 0.170
G22     308.6          63.9                8.5 +/-    1.07       9.4 +/-    1.07  0.030 / 0.050
G23     284.0          18.1                5.7 +/-    9.36      13.2 +/-    9.36  0.030 / 0.040
G25     43.6           13.0                7.3 +/-    1.20      19.0 +/-    1.20  0.060 / 0.080
G26     139.3          34.6               12.6 +/-    1.19      20.1 +/-    1.19  0.050 / 0.100
G31     42.5           62.2                9.7 +/-    0.56      10.9 +/-    0.56  0.050 / 0.070
G32     74.0           24.9                8.8 +/-    0.75      17.3 +/-    0.75  0.050 / 0.070