BIRS event data: 2011 03 21 from 021700 to 023730
Looks like a II/IV event but no flare reported, possibly over limb, Culgoora and Learmonth just reported IIIs
IDL save set of data: idlsave.BIRS_20110321_021700
Postscript figure: 20110321_021700.ps
PNG image: 20110321_021700_BIRS.png