PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-17:12:30
G01     314.4          26.0                6.4 +/-    1.43      12.3 +/-    1.43  0.100 / 0.140
G10     94.0           47.5                8.8 +/-    0.73      11.5 +/-    0.73  0.090 / 0.150
G11     295.0          25.8                7.0 +/-    1.86      13.5 +/-    1.86  0.050 / 0.040
G14     327.2          70.4                6.7 +/-    0.58       7.1 +/-    0.58  0.030 / 0.030
G22     305.6          18.4                7.6 +/-    2.42      17.4 +/-    2.42  0.200 / 0.200
G25     92.4           13.0               11.0 +/-    2.90      28.8 +/-    2.90  0.140 / 0.170
G31     173.2          53.5                9.7 +/-    0.36      11.7 +/-    0.36  0.050 / 0.040
G32     24.2           59.8                7.1 +/-    0.66       8.1 +/-    0.66  0.040 / 0.040