Cecil Moore wrote:

With Loops you can zig zig in and out to get all the wire up it does
not need to be in a square etc.

A series stub of ladder-line works well to shorten the
length of a loop.

Another way of getting a loop antenna for 80m for reduced place is
switching two 40m delta loops in serie.

This website is in German language shows some drawings with a 41 feet
mast in the middle and four 10 feet supports in square.
It was published in a standard antenna book in Germany from Karl
Rothammel, DM2ABK.

http://www.technik.ba-ravensburg.de/...htpyramide.htm

"The WBØAOF 80 meter pyramid antenna" may be known in the USA.

http://f6arc.free.fr/pages/12_1.html