Varian 500 is now running with an inverse probe for 31P and 1H work

The usual probe that we use on the Varian 500 is not working and so we currently have an inverse probe tuned to 1H and 31P.  You can run experiments using 1H and 31P on it.  Do not tune the 31P channel, only the 1H (blue curve in trtune).  Notes about using the spectrometer are available here and notes on tuning are here.