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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+VLF\s+with\s+two\s+small\s+loops\.\s*$/: 11 ]

Total 11 documents matching your query.

1. LF: VLF with two small loops. (score: 1)
Author: edgar <>
Date: Tue, 3 Jan 2017 10:45:02 +1100
An experiment with a small pair of loops and notebook with sound card as the receiver. Hopefully detail is here. https://www.dropbox.com/s/e0s7flhqeq0p4l9/4%20m%20loops.zip?dl=0 Regards, Edgar Moonah
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00041.html (9,640 bytes)

2. Re: LF: VLF with two small loops. (score: 1)
Author: DK7FC <>
Date: Wed, 04 Jan 2017 00:46:17 +0100
Hi Edgar, The link doesn't work any more. Do you have another source for the file, or maybe you can put it on a website.. 73, Stefan Am 03.01.2017 00:45, schrieb edgar: An experiment with a small pai
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00057.html (10,255 bytes)

3. Re: LF: VLF with two small loops. (score: 1)
Author: edgar <>
Date: Wed, 4 Jan 2017 12:43:30 +1100
Hi Stefan, Try this one. https://www.dropbox.com/s/9x26r4x4ifx3rzr/4%20m%20loops.zip?dl=0 Dropbox have "improved their service" by making the public folder private from March this year. I am trying t
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00060.html (10,562 bytes)

4. Re: LF: VLF with two small loops. (score: 1)
Author: DK7FC <>
Date: Wed, 04 Jan 2017 11:05:07 +0100
Hi Edgar, Thanks, interesting pictures. What AL value do these ferrite cores have? Is it an FT80-77? Maybe the AL is to low, so you may get better results when using 3 of them in parallel, with the s
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00061.html (11,015 bytes)

5. Re: LF: VLF with two small loops. (score: 1)
Author: Markus Vester <>
Date: Wed, 4 Jan 2017 06:03:47 -0500
Editing the url slightly (www -> dl, remove the ? appendix) bypasses the cumbersome pre-download page: https://dl.dropbox.com/s/9x26r4x4ifx3rzr/4%20m%20loops.zip Another option would be more turns on
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00062.html (11,810 bytes)

6. Re: LF: VLF with two small loops. (score: 1)
Author: edgar <>
Date: Wed, 4 Jan 2017 22:14:49 +1100
Hi Stefan, The loop is just the result of some experimentation, make it a see how it performs. I was surprised how good the results were. The ferrite cores are FT50-75, AL 2750, I will continue to tr
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00063.html (10,731 bytes)

7. RE: LF: VLF with two small loops. (score: 1)
Author: VIGILANT Luis Fernández <>
Date: Wed, 4 Jan 2017 11:31:17 +0000
Thank you for the config files Edgar That makes me (finally) realize how to make the frequency list work in my grabber. I was trying to use Labels but it is not the way PC at my Rx site was upgraded.
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00064.html (12,630 bytes)

8. Re: LF: VLF with two small loops. (score: 1)
Author: DK7FC <>
Date: Wed, 04 Jan 2017 12:43:33 +0100
Hi Luis, Am 04.01.2017 12:31, schrieb VIGILANT Luis Fern&aacute;ndez: A fourth window at VLF showing two Alphas at about 12KHz is added now http://ea5dom.ure.es/grabber/index.html Wow, that's great L
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00065.html (11,956 bytes)

9. Re: LF: VLF with two small loops. (score: 1)
Author: edgar <>
Date: Thu, 5 Jan 2017 07:54:21 +1100
Hi Luis, Glad that you found the information useful. You may wish to adjust the amplitude ranges in the Spectrum Lab instances on your grabber. In Spectrum Lab select: "Options" > "... part 2: Ampl-R
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00067.html (10,239 bytes)

10. Re: LF: VLF with two small loops. (score: 1)
Author: edgar <>
Date: Thu, 5 Jan 2017 10:06:34 +1100
Hi Markus, Thank you for your suggestions. Are you suggesting to have 3 turns of the loop wire ( 1 turn now ) and 36 turns on the secondary of the transformer? Regards, Edgar
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00069.html (10,035 bytes)

11. Re: LF: VLF with two small loops. (score: 1)
Author: DK7FC <>
Date: Thu, 05 Jan 2017 00:19:01 +0100
Hi Edgar, He suggests to have 3 primary turns on the transformer and 36 secondary. 73, Stefan Am 05.01.2017 00:06, schrieb edgar: Hi Markus, Thank you for your suggestions. Are you suggesting to have
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-01/msg00070.html (10,183 bytes)


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