PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/06-21:42:50
G01     282.2          41.2               10.0 +/-    3.68      14.3 +/-    3.68  0.040 / 0.050
G03     313.9          22.0                9.0 +/-    3.60      18.9 +/-    3.60  0.040 / 0.060
G10     124.5          24.2               10.6 +/-    1.19      21.2 +/-    1.19  0.020 / 0.020
G11     258.8          24.2               10.3 +/-    2.79      20.4 +/-    2.79  0.030 / 0.020
G14     33.7           54.7                7.2 +/-    1.57       8.6 +/-    1.57  0.070 / 0.160
G22     314.4          43.4                8.0 +/-    0.70      11.0 +/-    0.70  0.100 / 0.140
G25     59.8           18.4                7.5 +/-    1.42      17.2 +/-    1.42  0.050 / 0.050
G26     154.9          17.2               11.5 +/-    2.68      27.0 +/-    2.68  0.050 / 0.060
G31     101.0          81.2                8.4 +/-    0.69       8.5 +/-    0.69  0.060 / 0.070
G32     56.1           38.7                6.9 +/-    1.24      10.2 +/-    1.24  0.060 / 0.060