2016-08-242016-08-241999-11-16http://hdl.handle.net/10919/72402A helical antenna having stubs spaced along the helix curve length and extending toward the central axis of the helix, such that the performance characteristics of the antenna, such as gain and circular polarization, are maintained while the size of the antenna--diameter and length--are reduced.application/pdfen-USPatenthttp://pimg-fpiw.uspto.gov/fdd/21/866/059/0.pdf8888324342/417343/895343/741343/881H01Q1/362H01Q11/085986621