Harker Research Revives PPM Questions
August 20, 2009 at 5:09 PM (PT)
The powers-that-be at HARKER RESEARCH aren't surprised about new questions surrounding the PPM's ability to accurately and adequately pick up radio signals when, for instance, it's being covered by clothing. They first raised the question one year ago in an AUGUST 2008 post on their PPM INSIGHTS blog..
Read the original post here.