If you look at our "sister site" you will see examples of reception problems, even with the 7-foot dipole antenna. No wonder, the public is not interested in HD Radio and that the Receptor HD radio is ranked 5,000 in Amazon's electronic sales:
"... So what will be the appeal of HD? The answer is the additional programming channels on the HD2 and HD3 channels. However, there is a serious flaw. We were told back in the beginning that the HD coverage would be equal to the analog signal. Unfortunately, the industry is now finding out this is not the case, that the HD coverage is considerably less, something like 60% of the analog coverage. We've also found that even in a strong HD signal area, a dipole antenna is required..."
http://www.bostonacoustics.com/pdf/RRHD_Antenna.pdf
http://www.wclv.com/skin/blurb.php?sectionId=178&contentId=25747
http://digital-am-fm.com/2006/03/thumbs_down_on_receptor_hd_fm.html
http://www.rwonline.com/dailynews/one.php?id=8770