PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-18:43:10
G03     239.9          70.0               13.2 +/-    0.55      13.9 +/-    0.55  0.050 / 0.050
G09     300.8          14.4               11.5 +/-    3.74      29.1 +/-    3.74  0.050 / 0.040
G14     96.2           18.2               11.9 +/-    1.67      27.3 +/-    1.67  0.130 / 0.200
G16     134.2          56.0               15.3 +/-    0.44      18.0 +/-    0.44  0.100 / 0.220
G22     195.5          58.5               13.4 +/-    0.68      15.4 +/-    0.68  0.150 / 0.300
G23     317.4          47.4               13.6 +/-    1.59      17.7 +/-    1.59  0.190 / 0.160
G26     74.6           52.8               13.5 +/-    0.48      16.5 +/-    0.48  0.040 / 0.050
G31     50.5           21.9               10.4 +/-    3.36      21.9 +/-    3.36  0.030 / 0.040