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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*ULF\:\s+A\s+next\s+step\s+for\s+970\s+Hz\s*$/: 6 ]

Total 6 documents matching your query.

1. ULF: A next step for 970 Hz (score: 1)
Author: DK7FC <[email protected]>
Date: Mon, 13 Nov 2017 16:03:52 +0100
Today i searched for suitable materials to build a iron band rod for a coil for 970 Hz. I learned about kornorientiertes Elektroblech, https://de.wikipedia.org/wiki/Elektroblech or https://en.wikiped
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00102.html (13,701 bytes)

2. Re: ULF: A next step for 970 Hz (score: 1)
Author: edgar <[email protected]>
Date: Tue, 14 Nov 2017 07:36:35 +1100
Hi Stefan, Interesting, are you aiming for a high Q coil, If so what is the best geometry for the coil for that frequency? Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00104.html (12,323 bytes)

3. Re: ULF: A next step for 970 Hz (score: 1)
Author: DK7FC <[email protected]>
Date: Mon, 13 Nov 2017 22:13:06 +0100
Hi Edgar, nice to read from you. I thought about you today and asked myselfe what could be your current situation regarding VLF reception (?) Am 13.11.2017 21:36, schrieb edgar: Hi Stefan, Interestin
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00105.html (13,558 bytes)

4. Re: ULF: A next step for 970 Hz (score: 1)
Author: edgar <[email protected]>
Date: Tue, 14 Nov 2017 17:35:49 +1100
Hi Stefan, Thank you for the detail. Not sure about the VLF reception. Regards, Edgar Moonah Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00107.html (12,566 bytes)

5. Re: ULF: A next step for 970 Hz (score: 1)
Author: DK7FC <[email protected]>
Date: Thu, 16 Nov 2017 18:24:33 +0100
...today i drove to the company and got that high permeablic strip. http://www.iup.uni-heidelberg.de/schaefer_vlf/VLF/Powercore_H075-18_20mm_Thyssen.jpg Quite a large amount! To be continued... 73, S
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00115.html (14,104 bytes)

6. Re: ULF: A next step for 970 Hz (score: 1)
Author: Paul Nicholson <[email protected]>
Date: Thu, 16 Nov 2017 18:05:27 +0000
I guess you'll have to find a way to bind or clamp the strips very tightly together otherwise the coil will be loud and lossy. -- Paul Nicholson --
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-11/msg00116.html (12,677 bytes)

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