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1. Topband: AA6TT finally moves to Vermont; 160m 4-square question (score: 1): Author: k8do" <k8do@email.msn.com (k8do); Date: Fri, 22 Jun 2001 15:46:05 -0400; I would suggest a hat as opposed to a stinger... I use a pair of ten foot, 0.5" copper pipe in a cross configuration... Aluminum emt tubing will work...You will need either 12 or 13 tower sections fo; /archives//html/Topband/2001-06/msg00055.html (8,573 bytes)
2. Topband: FT-1000D Noise Figure (score: 1): Author: k8do@email.msn.com (k8do); Date: Mon, 5 Mar 2001 08:06:12 -0500; Hey Mike, The best test I know of is to listen to the radio with no antenna and then hook up the flag... If there is a healthy rise in the noise level, you are there... If not, then insert the rf amp; /archives//html/Topband/2001-03/msg00043.html (7,338 bytes)
3. Topband: RE: flooded ants (score: 1): Author: k8do@email.msn.com (k8do); Date: Wed, 21 Mar 2001 08:25:10 -0500; I have gone to the trouble of measuring the change in impedence and resonant frequency of a dipole as it is lowered in .1 wave increments from a half wave high, down to laying on the ground, and then; /archives//html/Topband/2001-03/msg00107.html (7,021 bytes)
4. Topband: Full size Rohn 25 vertical vs. shunt fed tower (score: 1): Author: k8do@email.msn.com (k8do); Date: Tue, 20 Feb 2001 07:53:50 -0500; For a single tower, unless there is some over riding reason for the elevated radials I would put them on the ground... I have used elevated radials extensively, including a 4 element parasitic array; /archives//html/Topband/2001-02/msg00063.html (7,396 bytes)
5. Topband: 160 Meter Propagation (score: 1): Author: k8do@email.msn.com (k8do); Date: Sat, 6 Jan 2001 14:02:16 -0500; Same phenomena here.... A couple of nights ago I was listening to K9DX, a few hundred miles to my south, hand out S5 - S6 reports to EU, when I could only tell when the dx was present or absent by su; /archives//html/Topband/2001-01/msg00057.html (8,274 bytes)
6. Topband: Lazy U Antenna (score: 1): Author: k8do@email.msn.com (k8do); Date: Sun, 7 Jan 2001 11:32:06 -0500; Henry, Sorry to be the bearer of bad news, but this doesn't look like it plays well, when modeled... In fact, it is a dog for the amount of wire hanging up... I'll bet it actually hears reasonably we; /archives//html/Topband/2001-01/msg00077.html (7,169 bytes)
7. Topband: "T" or Inverted L? (score: 1): Author: k8do@email.msn.com (k8do); Date: Sat, 20 Jan 2001 11:53:37 -0500; Well John... dimensions available... I would not get my calculator overheated trying to assemble a designer antenna knowing that the antenna will be too short to resonate whatever I do... I would sim; /archives//html/Topband/2001-01/msg00200.html (8,512 bytes)
8. Topband: Goniometers and 160 (score: 1): Author: k8do@email.msn.com (k8do); Date: Wed, 31 Jan 2001 07:58:49 -0500; Fella used to show up at the Dayton bash with goniometers for sale (I don't remember what bands now)... They were gorgeous and expensive... I don't think he sold many, if any... It's a formidable ele; /archives//html/Topband/2001-01/msg00269.html (7,113 bytes)
9. Topband: Ground Radials (score: 1): Author: k8do@email.msn.com (k8do); Date: Wed, 31 Jan 2001 08:06:29 -0500; Your insulated wire will work just fine.... Get down enough radials and don't waste any time worrying over insulation / gauge / etc... These details have zero effect.... Insulated wire resists corros; /archives//html/Topband/2001-01/msg00270.html (6,960 bytes)
10. Topband: Phasing Inv.L question (score: 1): Author: k8do@email.msn.com (k8do); Date: Thu, 7 Dec 2000 08:16:40 -0500; My take on this... Don't make something simple into something hard... At 1.8mc for a 250 foot run, the difference in loss between RG213 and some form of hardline is inaudible to the ear, invisible to; /archives//html/Topband/2000-12/msg00053.html (7,364 bytes)
11. Topband: Ph.Verticals (score: 1): Author: k8do@email.msn.com (k8do); Date: Thu, 2 Nov 2000 10:53:47 -0500; I would strongly urge that you get ON4UN's book, "Antennas and Techniques For Low Band DXing" and read chapter 11... He analyzes a case which is exactly what you are trying to do... In figure 11.25 h; /archives//html/Topband/2000-11/msg00008.html (7,049 bytes)
12. Topband: Bizarre conditions 10/28 on top band (score: 1): Author: k8do@email.msn.com (k8do); Date: Mon, 30 Oct 2000 08:45:27 -0500; Yup, I second that... I finally worked zone 33, but the opportunity came and went in seconds as they suddenly peaked... We did not have any real propagation on either 80 or 160 both nights... Friday; /archives//html/Topband/2000-10/msg00169.html (7,572 bytes)

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