Consulting opportunity

Karl W4KRL W4KRL at
Fri Jun 6 10:26:46 CDT 2008

I was approached by a consultant for a transit authority at a nearby city to
develop a test procedure for audio intelligibility of a PA system in a rail
transit vehicle. They would like to use the IEC 60268-16 standard. The
consultant wants to recommend an expert to the PA supplier. I had to decline
the work because my practice is confined to the purchasers of transit
equipment. I generally do not work for manufacturers.

If anyone has expertise in this area I can pass along the contact

73 Karl W4KRL

Karl W. Berger, P.E.
Vice President
DCM, Inc.

Transportation Consultants
5667 Stone Road #465
Centreville, VA 20120
Tel: (703) 803-7917
Fax: (703) 991-9156
Cell: (703) 203-9763
E-mail: Karl.Berger at

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