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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Lightning\s+\-\-\s+Knife\s+Switch\s+Source\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: LF: Lightning -- Knife Switch Source (score: 1)
Author: "'Geri' Kinzel, DK8KW" <>
Date: Sat, 30 Jun 2001 05:37:51 -0400
Hello, Mabe some of the old 'bakelite' ones are pretty poor, but the ones I remember were made of white porcelain (I think) which should have good RF properties. 73, Tom G3OLB < .... the one I use is
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00005.html (8,594 bytes)

2. Re: LF: Lightning -- Knife Switch Source (score: 1)
Author: "Tom Boucher" <>
Date: Sat, 30 Jun 2001 07:38:29 +0100
Mabe some of the old 'bakelite' ones are pretty poor, but the ones I remember were made of white porcelain (I think) which should have good RF properties. 73, Tom G3OLB Doc.
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00008.html (8,826 bytes)

3. Re: LF: Lightning -- Knife Switch Source (score: 1)
Author: "Dr. Tom Gruis" <>
Date: Fri, 29 Jun 2001 08:01:15 -0500
I have read that these old knife switches have very poor RF insulation qualities. Perhaps this effect is frequency and/or power sensitive (for want of better terminology) to some extent. Doc. Tom, G3
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00016.html (9,502 bytes)

4. Re: LF: Lightning -- Knife Switch Source (score: 1)
Author: "Holger 'Geri' Kinzel, DK8KW" <>
Date: Fri, 29 Jun 2001 02:50:23 -0400
Tom, G3OLB: Years ago I remember my grandfather having a wireless aerial (as it was known then) down his garden which came through an insulator in the window frame and was connected to a ceramic knif
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00019.html (8,958 bytes)


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