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1. Topband: How good is good enough (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Mon, 7 Nov 2022 16:27:09 -0500; Now that the lawn mowing is done for the season, I resuscitated my 160M inverted L. With 13 on the ground radials, each roughly 70 feet long, measured R of 34 ohms seems OK to me. Is it worth layin; /archives//html/Topband/2022-11/msg00040.html (7,372 bytes)
2. Re: Topband: How good is good enough (score: 1): Author: <ws6x.ars@gmail.com>; Date: Sat, 12 Nov 2022 10:31:49 -0500; In my experience here in "ROCK"ingham County, I didn't reach the point of diminishing returns until around 32 radials of varying lengths (Most were either 50 or 100' long.). Much would depend on leng; /archives//html/Topband/2022-11/msg00041.html (7,796 bytes)
3. Re: Topband: How good is good enough (score: 1): Author: Frank W3LPL <donovanf@starpower.net>; Date: Sat, 12 Nov 2022 10:20:01 -0500 (EST); Hi Pete, Buy all means install more radials. At 70 foot radial length diminishing returns is at about 30 radials 73 Frank W3LPL Now that the lawn mowing is done for the season, I resuscitated my 160M; /archives//html/Topband/2022-11/msg00042.html (7,378 bytes)
4. Re: Topband: How good is good enough (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Sat, 12 Nov 2022 08:41:47 -0800; The 34 ohms is the sum of Rr (antenna radiation Z over perfect ground) and Rg (ground R loss). Rr depends on the dimensions of the L plus a bit of wire loss. My guess is Rr is about 10 ohms less than; /archives//html/Topband/2022-11/msg00044.html (8,824 bytes)
5. Re: Topband: How good is good enough (score: 1): Author: Pete Smith N4ZR <pete.n4zr@gmail.com>; Date: Sat, 12 Nov 2022 12:40:08 -0500; Just cut 20 more 70' radials. Time to go play in the yard. 73, Pete N4ZR Check out the new Reverse Beacon Network web server at<https://reversebeacon.net>. For spots, please use your favorite "retai; /archives//html/Topband/2022-11/msg00046.html (9,714 bytes)
6. Re: Topband: How good is good enough (score: 1): Author: CUTTER DAVID via Topband <topband@contesting.com>; Date: Sat, 12 Nov 2022 18:02:33 +0000 (GMT); I'd be interested to know how you make the joints, then add joints to joints, then...doesn't it get a bit lumpy? Do you solder or crimp or nuts and bolts, joints in three at a time...? David G3UNA __; /archives//html/Topband/2022-11/msg00047.html (10,476 bytes)
7. Re: Topband: How good is good enough (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 12 Nov 2022 10:13:18 -0800; I've done it two ways. There's a DX Eng radial plate at the base of my Tee vertical connecting a very large number of on-ground radials. For a couple of verticals sloping off my 120 ft tower, fed at; /archives//html/Topband/2022-11/msg00049.html (8,982 bytes)
8. Re: Topband: How good is good enough (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 12 Nov 2022 10:21:23 -0800; It depends a lot on the nature of your soil, and how much a dB or two is worth to you. These slides for a talk I've done at Pacificon, Visalia, and for several ham clubs is mostly about 160M radial s; /archives//html/Topband/2022-11/msg00050.html (8,316 bytes)
9. Re: Topband: How good is good enough (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sat, 12 Nov 2022 17:49:44 -0600; If that were all I could add, I'd switch them to 40 35' radials. The R component of my inverted L on around 1840 is 11 ohms. X is around 20. That's with 101 radials. I look for a R of at least 15 oh; /archives//html/Topband/2022-11/msg00052.html (7,893 bytes)
10. Re: Topband: How good is good enough (score: 1): Author: Lee STRAHAN <k7tjr@msn.com>; Date: Sun, 13 Nov 2022 00:21:26 +0000; And don't forget to discharge the element to ground before connecting to your measuring device. Static is NOT your friend in this case. Lee K7TJR If that were all I could add, I'd switch them to 40 3; /archives//html/Topband/2022-11/msg00053.html (8,752 bytes)
11. Re: Topband: How good is good enough (score: 1): Author: "m.r.c." <mrc02@kinderteacher.com>; Date: Sat, 12 Nov 2022 21:13:19 -0800; DXpediton style take 3-4 feet of bare solid # 10 # 12 copper wire and make a loop around the base of the antenna support- make it larger if necessary, wrap and solder the ends of the loop Wrap a coup; /archives//html/Topband/2022-11/msg00054.html (10,648 bytes)
12. Re: Topband: How good is good enough (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Sun, 13 Nov 2022 09:51:33 -0700; Good point. I have a permanently connected 20K 10W wire wound resistor on my inverted-L feedpoint. Wes N7WS _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Refle; /archives//html/Topband/2022-11/msg00055.html (8,352 bytes)

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