The NA5N TFD (Terminated Folded Dipole)
Click here for .pdf file of photos and construction details
Location: Polvadera, NM (near Socorro, New Mexico, USA)
A couple of comments:
I live rural, few neighbors, and generally low levels of QRM, power line noise, etc.
I am on well water; water table is down 250 feet.
  > Therefore, I have NO IDEA where my electrical ground is at if I even have one!!!

Your mileage may differ.