PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-19:13:10
G01     229.5          19.9               11.5 +/-    3.46      25.3 +/-    3.46  0.030 / 0.030
G03     292.7          67.3               10.2 +/-    0.80      10.9 +/-    0.80  0.030 / 0.030
G14     82.5           27.7                9.9 +/-    1.72      18.2 +/-    1.72  0.100 / 0.180
G16     151.4          40.5               12.8 +/-    0.80      18.5 +/-    0.80  0.080 / 0.170
G22     224.6          73.4               11.4 +/-    0.36      11.9 +/-    0.36  0.060 / 0.060
G23     304.8          35.2               10.1 +/-    2.04      16.0 +/-    2.04  0.080 / 0.070
G26     104.7          53.2               11.5 +/-    0.52      13.9 +/-    0.52  0.050 / 0.070
G31     43.8           35.6                8.6 +/-    1.17      13.5 +/-    1.17  0.050 / 0.080