The Capitol Hill Monitor (CHM) scanner group has posted their 8th CHM inaugural scanning guide and our most detailed ever by Ron Perron, David Schoenberger, Mike Peyton and edited by Alan Henney with contributions from Chris Parris, Larry Van Horn, anonymous and as noted. You can share your discoveries on the Scan-DC email list or on the DC Zello incident notification channel. The 12 page pdf document is available at http://henney.com/chm/0117/chm0117.pdf.