Hi, I've had good results on 20 and 30 meters with an "endfed zepp" cut for 20 and fed with twinlead. This antenna functions as a 1/2 wave antenna on both 20 and 30. A lot of radials aren't needed. See http://www.io.com/~nielw/qrp2/lunchbag.htm 73, Niel - W0VLZ