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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Re\:\s+Screening\s+an\s+LF\s+Loading\s+Coil\s*$/: 10 ]

Total 10 documents matching your query.

1. LF: Re: Screening an LF Loading Coil (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Sun, 10 Apr 2016 17:04:03 +0100
Hi Hugh I think the rule of thumb (or at least the one I use) is that the lowest turn should be at least half the coil diamter from the screen base (which if too close will exhibit the properties of
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00105.html (11,365 bytes)

2. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: LineOne <[email protected]>
Date: Mon, 11 Apr 2016 10:32:39 +0100
Thank you Alan, the location inside makes your suggested spacing, suspended and spaced on fibreglass rods. It needs more Tx testing as a few brief reception reports were about 5dB down but that was p
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00115.html (11,698 bytes)

3. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Mon, 11 Apr 2016 11:10:46 +0100
Hi Hugh,mmm that is quite a lot. Thinking of the copper lined tuning huts Decca and Orfordness I guess the keg should be grounded. ?? Alan G3NYK -- Original Message -- From: "LineOne" <dhchurch@lineo
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00116.html (12,323 bytes)

4. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: LineOne <[email protected]>
Date: Mon, 11 Apr 2016 17:31:04 +0100
It just sits on a corrugated steel roof which is grounded so a strap from keg to roof would also prevent any "diode" action when transmitting. I have just made s field strength device which will be i
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00124.html (12,911 bytes)

5. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: Warren Ziegler <[email protected]>
Date: Mon, 11 Apr 2016 12:46:39 -0400
Hugh, You have opened up a profitable new area of research with your use of a beer keg:-) May I suggest a moonshine (hard liquor) distillery for your next project? The condenser features a large copp
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00125.html (14,885 bytes)

6. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: Paul Nicholson <[email protected]>
Date: Mon, 11 Apr 2016 21:07:08 +0000
Takes me back to the 1970's when I was a student working for Gerald David at Aerial Facilities in Chesham building these things - http://www.ingenia.org.uk/Ingenia/Articles/240 which worked incredibl
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00129.html (10,886 bytes)

7. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Mon, 11 Apr 2016 23:07:00 +0100
Hi Paul I came across Gerald in the 90s when I was part of a 2-way radio company, my oppo knew Gerald quite well from the FCS. He was a nice guy. One of my local LFers worked for him as well. I have
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00133.html (12,055 bytes)

8. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: pat <[email protected]>
Date: Tue, 12 Apr 2016 09:31:21 +0100
As the aforesaid 'oppo' I would heartily concur with Alan. Gerald was a great mentor, super meal companion and wonderful raconteur. Also worth noting could be his unflinching support for Amateur Radi
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00138.html (12,911 bytes)

9. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: LineOne <[email protected]>
Date: Tue, 12 Apr 2016 10:12:45 +0100
There were two Powys Amateur radio Club 2m cavity resonators at a commercial transmitter location south of Newtown in Mid wales. They did have a tendency to drift off frequency, probably according to
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00139.html (11,869 bytes)

10. Re: LF: Re: Screening an LF Loading Coil (score: 1)
Author: Paul Nicholson <[email protected]>
Date: Tue, 12 Apr 2016 14:37:21 +0000
There are at least two other LF list members who also knew Gerald, including a Chris McCarthy that I remember from AFL who I think may be G3XVL. Small world isn't it? Oops, we've well and truly highj
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-04/msg00143.html (11,036 bytes)


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