PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-19:12:50
G03     204.4          52.7               14.0 +/-    0.52      17.1 +/-    0.52  0.050 / 0.090
G07     259.6          17.0               13.4 +/-    3.15      31.6 +/-    3.15  0.060 / 0.070
G09     311.7          29.9               10.1 +/-    1.50      17.7 +/-    1.50  0.240 / 0.270
G16     86.9           64.7               12.4 +/-    0.87      13.6 +/-    0.87  0.230 / 0.210
G22     185.8          36.9               12.5 +/-    1.51      19.1 +/-    1.51  0.040 / 0.040
G23     336.0          64.4               12.5 +/-    0.60      13.7 +/-    0.60  0.040 / 0.030
G26     50.5           40.0                9.7 +/-    0.80      14.1 +/-    0.80  0.140 / 0.150
G27     130.7          13.3               15.4 +/-    2.23      39.8 +/-    2.23  0.110 / 0.150