I said that the spectral contents of proxy measures of ENSO are similar to measured ENSO

This is the power spectra of ENSO, i.e. SOI
![ENSO](http://imageshack.com/a/img909/8613/EJgoKL.png)

This of the Universal ENSO Proxy, which goes back to 1700. Note the matching positions of the peaks. Unfortunately the UEP data is very noisy and only has one points per year. That's why the x-axis do nt match up.

![UEP](http://imageshack.com/a/img540/3121/PRq6Sk.png)