Laurie, you're right about the 8-shaped pattern, in fact the pattern is very similar to that of a lambda/2 dipole (in free space). A Marconi antenna has more directivity than a loop (4.8dBi versus 1.
Hi Rik, But the maximum of a loop is very broad so Im afraid it wont give any improvement in regard to atmospheric QRM. Im not so sure! analysis using EZNEC shows a "fig8" azimuth pattern,at least fo