PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/31-18:12:50
G01     270.3          40.8               11.2 +/-    0.92      16.1 +/-    0.92  0.040 / 0.030
G03     316.1          31.9                9.9 +/-    1.24      16.7 +/-    1.24  0.040 / 0.030
G10     130.0          17.0               12.0 +/-    1.75      28.4 +/-    1.75  0.040 / 0.050
G11     252.3          20.3               12.5 +/-    1.26      27.4 +/-    1.26  0.050 / 0.060
G14     42.8           50.5                9.1 +/-    0.70      11.4 +/-    0.70  0.080 / 0.150
G22     314.0          52.9                9.2 +/-    1.34      11.3 +/-    1.34  0.090 / 0.190
G25     52.4           16.9                9.2 +/-    1.33      21.7 +/-    1.33  0.040 / 0.080
G26     147.6          25.4               14.8 +/-    1.41      28.7 +/-    1.41  0.050 / 0.080
G31     54.1           73.5               11.4 +/-    0.62      11.9 +/-    0.62  0.090 / 0.180
G32     64.8           31.9                9.8 +/-    0.81      16.5 +/-    0.81  0.080 / 0.170