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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Re\:\s+LF\s+coil\s+tuning\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: LF: Re: LF coil tuning (score: 1): Author: John Andrews <[email protected]>; Date: Sat, 29 Jan 2011 19:15:51 -0500; Peter, It used to be common MW broadcast practice to use "eddy current disks", which were aluminum rings. In some cases, the ring was put inside the coil, with the ability to rotate it in and out of; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00026.html (12,281 bytes)
2. LF: Re: LF coil tuning (score: 1): Author: "Alan Melia" <[email protected]>; Date: Sun, 30 Jan 2011 00:43:38 +0100; Hi Peter I think this is analogous to putting an aluminium or brass slug into a coil as with the VHF Toko range where there is an optional ferrite of aluminium.core. I have never measured Qs I suspec; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00319.html (12,269 bytes)
3. Re: LF: Re: LF coil tuning (score: 1): Author: g4gvw <[email protected]>; Date: Sun, 30 Jan 2011 00:22:21 +0000; Peter, Many years ago when I did 160m mobile I had a setup in which the mobile antenna had a loading coil that used a copper disc approx. 150% of the coil dia. placed with a centre boss that could be; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00932.html (13,262 bytes)
4. Re: LF: Re: LF coil tuning (score: 1): Author: Peter Dodd <[email protected]>; Date: Sun, 06 Feb 2011 11:52:54 +0000; Many thanks to all those who informed me of the 'shorted turn' methods of tuning an inductance. Regards Peter, G3LDO Many years ago when I did 160m mobile I had a setup in which the mobile antenna ha; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-02/msg00550.html (11,495 bytes)

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