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Archimedean Spiral Antenna for RTLSDR

An Archimedean spiral made of two equal lengths of coaxial cable seems to be the easiest circularly polarized antenna to make that'll cover a broad range of the rtlsdr dongles' E4000 tuners
post 13 Dec 2020

Spiral antenna Links


Spiral Dipole Antenna
The Spiral Dipole is OK, great if you consider the size vs. radiated power

Taktenna antenna project
experimental antenna similar to the TAK-tenna spiral antenna and was evaluated for SWR response over the frequency range of 7.0 to 7.3