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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*VLF\:\s+Effective\s+Antennas\s+1\/1000th\s+of\s+a\s+Wavelength\s*$/: 4 ]

Total 4 documents matching your query.

1. VLF: Effective Antennas 1/1000th of a Wavelength (score: 1): Author: John Fisher <[email protected]>; Date: Mon, 21 May 2018 22:42:36 +0000 (UTC); Exciting new developments in radio recently...New methods and materials enable effective antennas as short as 1/1000th of a wavelength...That's like a 3 inch antenna at 80m working like a full sized; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00127.html (8,400 bytes)
2. Re: VLF: Effective Antennas 1/1000th of a Wavelength (score: 1): Author: Edgar <[email protected]>; Date: Tue, 22 May 2018 11:57:07 +1000; Yes, Easily done with receiving antennas. The KPTF antenna here is 3.5 m high. 82 Hz wave length is 300 / 0.000082 = 3658536 m. Antenna height = 3.5 m = 1 / 1045296 of a wave length. Regards, Edgar M; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00128.html (8,657 bytes)
3. Re: VLF: Effective Antennas 1/1000th of a Wavelength (score: 1): Author: Wolfgang Büscher <[email protected]>; Date: Tue, 22 May 2018 18:06:04 +0200; http://tikalon.com/blog/blog.php?article=2017/mini_antenna; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00136.html (9,700 bytes)
4. Re: VLF: Effective Antennas 1/1000th of a Wavelength (score: 1): Author: John Fisher <[email protected]>; Date: Tue, 22 May 2018 16:32:34 +0000 (UTC); Their ME antennas are fabricated as suspended ferromagnetic-piezoelectric thin-film heterostructures that transmit and receive radio waves through the ME effect at their acoustic resonance frequenci; /rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00137.html (10,392 bytes)

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