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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Care\s+and\s+feeding\s+of\s+a\s+top\-loaded\s+vertical\s*$/: 6 ]

Total 6 documents matching your query.

1. LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "Steve Olney" <[email protected]>
Date: Sun, 7 Mar 1999 18:24:55 +1100
G'day All, Having recently received permission for operating an experimental transmitter from this location on LF, I am now faced with the problem of erecting an LF transmitting antenna. Although in
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00025.html (11,267 bytes)

2. Re: LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "M. Bruno" <[email protected]>
Date: Sun, 07 Mar 1999 15:16:38 +0100
The questions I have are: 1. How do you measure the capacitance to ground to be able to calculate the inductance of the loading coil? I doubt you can just attach a capacitance meter between the base
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00029.html (11,195 bytes)

3. Re: LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "Bob RIESE" <[email protected]>
Date: Sun, 7 Mar 1999 11:01:45 -0500
Has anyone done anything with a continuously loaded vertical and top hat. 40 Ft of large diameter plastic pipe wound with copper wire would be a rubber duckie on LF, the only problem I see would to k
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00031.html (8,988 bytes)

4. Re: LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "Steve Olney" <[email protected]>
Date: Mon, 8 Mar 1999 09:07:56 +1100
G'day Marco, Thanks for the info. I take your point about variation in feedpoint impedance with WX. The only reason I was concerned about matching was in regard to wringing the most out of TX. On wha
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00033.html (9,595 bytes)

5. Re: LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "Toni Baertschi" <[email protected]>
Date: Mon, 08 Mar 1999 12:17:09 +0100
from HB9ASB Hello Bob, I'm using a helical vertical for more than a year and it works fine. The lower part (7m) is a PVC irrigation pipe (11cm Diameter) the upper part a Kevlar fishing pole (8m). I'v
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00040.html (10,412 bytes)

6. Re: LF: Care and feeding of a top-loaded vertical (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Tue, 16 Mar 1999 16:14:48
At 18:24 7/03/99 +1100, VK2ZTO wrote: ... The antenna configuration I have decided to attempt first is a capacitively-loaded vertical mounted on the roof of the house. This is the only tree-free area
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00107.html (10,929 bytes)


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