subject: Systems Integrator Celebrates 165 Years [print this page] For more details or to read the full article, visit the Fourth Quarter 2010 issue of The MHEDA Journal. The Fourth Quarter issue part of a redesigned website at www.TheMhedaJournal.org. The MHEDA Journal is published quarterly, in January, April, July and October. For more information, contact Chris Powers, editor of The MHEDA Journal, (315) 445-2347, e-mail: chris@datakey.org.