PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-18:27:50
G01     284.0          41.1                4.8 +/-    5.20       6.9 +/-    5.20  0.050 / 0.070
G03     313.9          22.8                9.6 +/-    2.60      19.8 +/-    2.60  0.040 / 0.060
G10     123.6          25.1                9.4 +/-    2.52      18.3 +/-    2.52  0.060 / 0.070
G11     261.7          24.3                9.6 +/-    3.02      19.1 +/-    3.02  0.060 / 0.080
G14     30.4           56.2                8.0 +/-    1.05       9.4 +/-    1.05  0.020 / 0.020
G22     314.5          43.4                9.1 +/-    0.75      12.5 +/-    0.75  0.020 / 0.020
G25     61.9           18.8                9.1 +/-    0.95      20.5 +/-    0.95  0.080 / 0.120
G26     153.9          17.2               11.0 +/-    2.02      26.1 +/-    2.02  0.050 / 0.140
G31     97.1           80.2                9.0 +/-    0.44       9.1 +/-    0.44  0.040 / 0.040
G32     55.9           38.4                8.5 +/-    1.62      12.7 +/-    1.62  0.050 / 0.060