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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Loops\s+on\s+TX\s*$/: 12 ]

Total 12 documents matching your query.

1. Re: LF: Loops on TX (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 28 Sep 2010 22:32:32 +0200
Hi Scott, Yes. The more rocks the better the result. The lower the ground conductance, the deeper the flow back current and thus the larger the loop area. Near my hill/mountain (is 520 m ASL a hill o
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00033.html (12,553 bytes)

2. Re: LF: Loops on TX (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Mon, 27 Sep 2010 22:38:30 +0200
LF, Am 27.09.2010 22:14, schrieb Scott Tilley: If someone knows the relationships for how a loop behaves over ground I'd love to see them too! Can't this be done in EZNEC? Scott, this sound really im
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00041.html (10,439 bytes)

3. Re: LF: Loops on TX (score: 1)
Author: Stefan Schäfer <[email protected]>
Date: Tue, 28 Sep 2010 00:44:23 +0200
Scott, A very interesting mail! Am 28.09.2010 00:11, schrieb Scott Tilley: A loop made for a very nice compromise... If you can work JA / 7200 km in QRSS-10 it is not a compromise but probably one of
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00089.html (13,172 bytes)

4. Re: LF: Loops on TX (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Mon, 27 Sep 2010 18:58:29 +0100
Warren This is correct and to bury the bottom wire is even worse except one wants to grow date palms around the artic circle g3kev -- Original Message -- From: [email protected] Warren Ziegler To: rsg
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00141.html (13,764 bytes)

5. Re: LF: Loops on TX (score: 1)
Author: Scott Tilley <[email protected]>
Date: Mon, 27 Sep 2010 20:14:56 +0000
Hi Roger My TX loop pretty much works as modeled which I can't say for most verticals I've tries as they are highly dependent on the installation site, weather and time of year... My TX loop is a 20m
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00233.html (14,974 bytes)

6. Re: LF: Loops on TX (score: 1)
Author: Scott Tilley <[email protected]>
Date: Tue, 28 Sep 2010 00:47:22 +0000
Hi Stefan and Group The topic of Earth antennas is interesting. My question is how well will one work over rock? I really have little or no soil here. Any experience with this situation? I do have a
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00360.html (10,643 bytes)

7. Re: LF: Loops on TX (score: 1)
Author: Scott Tilley <[email protected]>
Date: Mon, 27 Sep 2010 22:11:54 +0000
Hi Stefan / Group Yes EZNEC can do this but knowing the actual relationship would be nice to play with the math on a more primal level to 'understand' the issues. So, if someone can point us toward a
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00414.html (15,505 bytes)

8. Re: LF: Loops on TX (score: 1)
Author: Scott Tilley <[email protected]>
Date: Mon, 27 Sep 2010 23:41:05 +0000
Hi Stefan Please let me qualify a statement. There are times when ten second dot length would be copible in JA. The norm is 60 second dots... 73 Scott On 9/27/2010 10:44 PM, Stefan Sch&auml;fer wrote
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00483.html (14,352 bytes)

9. Re: LF: Loops on TX (score: 1)
Author: <[email protected]>
Date: Mon, 27 Sep 2010 17:42:40 -0400
Many years ago I used Mil Spec RG-11 on lowfer beacon VD - a 1 watt Part 15 on 185 kHz. With it's substantial copper braid it turned out to be an excellent conductor. The loop was supported by a lin
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00576.html (9,910 bytes)

10. Re: LF: Loops on TX (score: 1)
Author: Warren Ziegler <[email protected]>
Date: Mon, 27 Sep 2010 13:44:48 -0400
Roger,         I run a TX loop at the 1.2 kW level. The loop is made up of two turns of coax 24m vertical by 44m horizontal, the turns are spaced 3m apart and they are in parallel. I can show you whe
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00596.html (13,503 bytes)

11. LF: Loops on TX (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Mon, 27 Sep 2010 18:24:26 +0100
Good to see the reflector back again. For the last week or so I've been running my vertical "fully in the air" TX loop (1mm diameter wire, 80m sq area) on both 137 and 500kHz. Now, the bottom of the
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00664.html (11,629 bytes)

12. Re: LF: Loops on TX (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Mon, 27 Sep 2010 22:55:03 +0100
Hi Stefan you can put lossy ground in but you cant really rely on the results at LF with any version of NEC I know of. Alan G3NYK.
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00673.html (11,802 bytes)


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