The
http://www.antennacraft.net web site shows the HBU55 antenna as having a VHF average gain of 9.3 dB and a UHF average gain of 9.0 dB. The
http://www.winegarddirect.com web site shows the HD7698P gain figures as individual channels , averaging those figures as Antennacraft does , shows the average gain of the HD7698P as , VHF 11.5 dB and UHF 13.5 dB. That's 2.2 dB better on VHF and 4.7 dB better on UHF. Plus the HD7698P has better multipath rejection and better front to back ratio.