PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/29-17:57:50
G01     284.9          41.0                7.4 +/-    1.39      10.6 +/-    1.39  0.040 / 0.050
G03     313.7          22.6                5.5 +/-    2.88      11.5 +/-    2.88  0.040 / 0.070
G10     123.2          25.5               10.5 +/-    0.68      20.2 +/-    0.68  0.040 / 0.080
G11     262.6          24.5                9.6 +/-    1.18      19.0 +/-    1.18  0.040 / 0.090
G14     29.3           56.7                5.9 +/-    0.53       6.9 +/-    0.53  0.060 / 0.110
G22     314.5          43.1                7.0 +/-    0.99       9.7 +/-    0.99  0.050 / 0.120
G25     62.6           18.9                8.1 +/-    0.95      18.4 +/-    0.95  0.040 / 0.090
G26     154.1          16.8               12.6 +/-    2.98      30.1 +/-    2.98  0.050 / 0.090
G31     99.8           80.1                8.8 +/-    0.80       8.9 +/-    0.80  0.030 / 0.020
G32     55.5           38.7                8.0 +/-    0.36      11.8 +/-    0.36  0.030 / 0.020