HanRongDa HRD-747: Expanding reception to include longwave
by Thomas from The SWLing Post on (#5XA71)
Many thanks to SWLing Post contributor, Dan Robinson, who shares the following video which shows how connecting an external antenna to the HDR-747 extends reception range down to longwave: Click here to view on YouTube. Thanks for the tip, Dan! Note: Dennis adds that the antenna used in this video can be found here.