[Enchilada]

Originally Posted by sheeny

I made this chart a while ago to help me to come to grips with the various bands in the EM spectrum and to visualise wavelengths and frequencies.
It's set up to print as an A3 sheet for a poster for the Obs, but yuo should be able to porint it on A4 and still be legible... just!
If you would like I can zip and post the original Excel workbook.

Thanks for this, It is quite useful, and I have no real dispute with the values you have quoted.
Please post the Excel sheet, as that could be useful as a general reference.

Thanks for posting this Al!