BIRS event data: 2012 03 04 from 210600 to 212000
Suspect an ionospheric caustic, not long after sunrise, big new region having come over the east limb
IDL save set of data: idlsave.BIRS_20120304_210600
Postscript figure: 20120304_210600.ps
PNG image: 20120304_210600_BIRS.png