Very few of us these days have gardens that will allow the 'traditional' 40m long dipole (for the 3.5MHz band) to be erected. Fewer still have space for the double sized dipole for 'Top Band'. So, essentially, this means for many of us that 3.5MHz is totally out of the question. Or such a full sized antenna has to be bent into various contortions to get it to fit into the available space.
The antenna I'm describing here was intended to allow operation on both 3.5 and 7MHz in less than half the space of the traditional dipole. However, it will, in most instances, give a performance equal to, or greater that. its full size cousin.
I'd describe myself as a lazy DXer, and by that I mean "I'll take it if it's there". With this antenna I've had a lot of fun working stations in North and South America, North Africa and the Middle East on 3.5 and 7MHz, something I could never have done with a G5RV contorted to fit in my garden.

In general I find that if I can hear a station - I can work it, provided it's not part of a 'kilowatt scrum'. The antenna will also give a good account of itself on 14, 21 and 28MHz being electrically similar to the w3dzz dipole. The standing wave ratio (s.w.r.) of the antenna system on the upper h.f. bands, is higher than the reading on either 3.5 or 7MHz but it's no worse than the Page 2