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1. Re: LF: VLF, easyloop (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Tue, 17 Apr 2012 23:48:53 +0200; Hi Mauro, I think 40 turns are even better than 80. For 8970 Hz, your loop will work fine! No problem! As long as you are far away from the man made noise. Just take a walk and try :-) I think 80 tur; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00028.html (11,005 bytes)
2. Re: LF: VLF, easyloop (score: 1): Author: Michel Brunel <[email protected]>; Date: Wed, 18 Apr 2012 10:55:51 +0200; Hi Stefan, VLF, I too built a similar preamp using the LT1028 but instead of a multiturn loop, I used a fat monoturn loop and a toroid transformer. The loop has a diameter of about 1 meter and is mad; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00069.html (9,825 bytes)
3. Re: LF: VLF, easyloop (score: 1): Author: [email protected]; Date: Wed, 18 Apr 2012 11:42:26 +0200; Hi Stefan, <Is there someone on air during the next days?> Im prepared. give me a hint and Ill st a carrier. GL Uwe/dj8wx/jo43sv Von: [email protected] Gesendet: 17.04.2012 23:20 An: rsgb_; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00077.html (9,062 bytes)
4. Re: LF: VLF, easyloop (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Thu, 19 Apr 2012 02:01:21 +0200; Hi Uwe, Thank you. I've done some /p tests today. Have to make some preparations like using a longer cable between loop and netbook, try a grounding of the loop and shielding... But i thinki will run; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00117.html (11,206 bytes)
5. Re: LF: VLF, easyloop (score: 1): Author: Daniele Tincani <[email protected]>; Date: Wed, 18 Apr 2012 00:02:04 +0100 (BST); /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00200.html (11,876 bytes)
6. LF: VLF, easyloop (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Tue, 17 Apr 2012 23:20:44 +0200; VLF, I just built the preamp of Renato Romero's design for a VLF loop preamp, http://www.vlf.it/easyloop/_easyloop.htm The circuit is very easy and compact and looks very promising, http://dl.dropbox; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00275.html (9,111 bytes)
7. Re: LF: VLF, easyloop (score: 1): Author: IK1WVQ Mauro <[email protected]>; Date: Tue, 17 Apr 2012 23:39:05 +0200; Hi Stefan, how many turn in your hoola hop ??? My preamp with OP27 works well for SAQ reception with 40 turns hoola hop , but for 8900Hz ?? 73 Mauro IK1WVQ I just built the preamp of Renato Romero's; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00348.html (9,796 bytes)

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