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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+questions\s+about\s+a\s+tx\s+square\s+loop\s+fpr\s+470KHz\s*$/: 5 ]

Total 5 documents matching your query.

1. LF: questions about a tx square loop fpr 470KHz (score: 1)
Author: IK1WVQ Mauro <[email protected]>
Date: Thu, 30 Apr 2015 23:16:30 +0200
73 to all, I would like to know your opinion about this: I can made a square TX loop for 470KHz of 7 * 3 meters (see picture) in the terrace of the building where I live (6 floors). the questions are
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-04/msg00190.html (10,781 bytes)

2. Re: LF: questions about a tx square loop fpr 470KHz (score: 1)
Author: DK7FC <[email protected]>
Date: Fri, 01 May 2015 18:38:41 +0200
Hi Mauro, Your shack seems to be on a high building, so a short vertical antenna would give you better results than such a loop. If there is no way to install a vertical, only a loop, then do it! You
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00002.html (12,984 bytes)

3. Re: LF: questions about a tx square loop fpr 470KHz (score: 1)
Author: DK7FC <[email protected]>
Date: Fri, 01 May 2015 18:41:42 +0200
PS: I would prefer a vertical loop but just try and see what you get. If you can arrange 2 nearly identical antennas, one H, the other V, this would be interesting. You could use a relay or even 2 tr
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00003.html (10,017 bytes)

4. Re: LF: questions about a tx square loop fpr 470KHz (score: 1)
Author: Roman <[email protected]>
Date: Sat, 02 May 2015 00:43:46 +0300
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00009.html (11,284 bytes)

5. Re: LF: questions about a tx square loop fpr 470KHz (score: 1)
Author: Dimitrios Tsifakis <[email protected]>
Date: Mon, 4 May 2015 13:56:48 +1000
Buongiorno Mauro, a few months ago, I build a single turn loop, 0.7 m by 0.7 m, using very thick electrical copper wire. I resonated it on 160 m using a couple of beefy silver mica capacitors in para
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00018.html (12,784 bytes)


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