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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+LF\-antenna\s+with\s+top\s+load\s*$/: 11 ]

Total 11 documents matching your query.

1. LF: LF-antenna with top load (score: 1)
Author: "Dick Rollema" <[email protected]>
Date: Wed, 15 Sep 1999 19:19:49 +0200
To All As there has been some discussion on the merits of different kinds of top loading I have performed some computer simulation, using the Antenna Optimizer program by Brian Beezley, K6STI, which
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00055.html (24,962 bytes)

2. Re: LF: LF-antenna with top load (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Thu, 16 Sep 1999 11:22:38 +0100
1. No top load Efficiency: 10.8% 2. One horizontal top load wire of 5 m Efficiency: 12.5% 4. One horizontal top loading wire of 10 m Efficiency: 11.9% 6. One horizontal top loading wire of 20 m Effi
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00058.html (10,931 bytes)

3. Re: LF: LF-antenna with top load (score: 1)
Author: "Dick Rollema" <[email protected]>
Date: Thu, 16 Sep 1999 14:01:58 +0200
1. No top load Efficiency: 10.8% 2. One horizontal top load wire of 5 m Efficiency: 12.5% 4. One horizontal top loading wire of 10 m Efficiency: 11.9% 6. One horizontal top loading wire of 20 m Effi
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00060.html (10,754 bytes)

4. Re: LF: LF-antenna with top load (score: 1)
Author: "P. W. Schnoor" <[email protected]>
Date: Thu, 16 Sep 1999 15:42:26 +0200
Hello Group, ** If possible please avoid HTML coding or system/mailer specific attachments! ** Hi Dick, Thank you for information! Will check those geometries with ELNEC for comparison soon... I used
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00061.html (9,960 bytes)

5. Re: LF: LF-antenna with top load (score: 1)
Author: "Peter W. Schnoor" <[email protected]>
Date: Thu, 16 Sep 1999 19:12:45 +0200
Hello Group, Hi Dick, Question to PA0SE: Dick, did you choose 1.5mm of diameter or radius? Some programs are using "radius" other "diameter"... Here are the results from simulations with MININEC algo
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00062.html (17,727 bytes)

6. Fw: LF: LF-antenna with top load (score: 1)
Author: "Dick Rollema" <[email protected]>
Date: Thu, 16 Sep 1999 20:08:47 +0200
To All, As a answer to a question by Mike, G3XDV, I have sent the following e-mail to the reflector: 1. No top load Efficiency: 10.8% 2. One horizontal top load wire of 5 m Efficiency: 12.5% 4. One h
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00063.html (12,689 bytes)

7. Re: LF: LF-antenna with top load (score: 1)
Author: "Dick Rollema" <[email protected]>
Date: Fri, 17 Sep 1999 13:55:46 +0200
Question to PA0SE: Dick, did you choose 1.5mm of diameter or radius? Some programs are using "radius" other "diameter"... I used diameter. AO requires the material to be put in. I choose copper, for
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00068.html (11,384 bytes)

8. Re: LF: LF-antenna with top load (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 17 Sep 1999 15:18:52
For those who do not have acces to antenna-software there is still the possibility to calculate the radiation resistance and the capasitance of the antenna yourself. If a simplified model is taken an
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00071.html (13,332 bytes)

9. Re: LF: LF-antenna with top load (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 17 Sep 1999 14:04:31 +0100
PA0SE wrote: Refering to the last part of my second report (16.9.99 14.17) it is clear that top loads are hardly a substitute for height. Even raising the antenna from 10 to 15 m increases radiation
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00072.html (10,526 bytes)

10. Re: LF: LF-antenna with top load (score: 1)
Author: "Rik Strobbe" <[email protected]>
Date: Fri, 17 Sep 1999 17:55:21
At 14:04 17/09/99 +0100, G3XDV wrote: PA0SE wrote: Refering to the last part of my second report (16.9.99 14.17) it is clear that top loads are hardly a substitute for height. Even raising the antenn
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00073.html (12,486 bytes)

11. Re: LF: LF-antenna with top load (score: 1)
Author: "'Geri' Kinzel, DK8KW" <[email protected]>
Date: Sat, 18 Sep 1999 00:45:28 -0400
Hello fellows, first of all thank you Dick and Peter for running all those simulations. Again, I have learned a lot. Refering to the last part of my second report (16.9.99 14.17) it is clear that top
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00078.html (10,524 bytes)

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