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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

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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