Jeff wrote: > Hi, > > I'm building my first RX loop for 80/160 on my city lot. > > I know nothing about preamps, but have found ICE and KD9SV > on the web. I was looking at the ICE 135B (80/160): You might want to build the loop shown here: http://www.n6rk.com/loopantennas/pacificon.pdf You should not need a preamp with it, especially on a city lot. Rick N6RK