ListPlot with two horizontal axes

*To*: mathgroup at smc.vnet.net*Subject*: [mg109097] ListPlot with two horizontal axes*From*: EliL <elansey at gmail.com>*Date*: Mon, 12 Apr 2010 23:01:22 -0400 (EDT)

I have data I would like to plot with two horizontal axes. I.e. signal magnitude as a function of wavelength and frequency. Is there a way to label the horizontal axis with two scales? (Note, freq is inversely proportional to wavelength.) Thanks! Eli.