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1. Topband: 160-80 rotary bean antenna that really works (score: 1)
Author: "n4is" <>
Date: Wed, 27 Dec 2006 18:01:58 -0500
Hi low band lovers I would like to share with you a rotary bean antenna that really works. I built it two month and only during the holidays I was able to fine tune it and enjoy the results. The expe
/archives//html/Topband/2006-12/msg00307.html (12,298 bytes)

2. Topband: Waller Flag six month update. The rotatable RX antennathat really works on 160 / 80 m (score: 1)
Author: "n4is" <>
Date: Fri, 18 May 2007 21:02:34 -0400
Hey guys After six month using my Big Weller Flag I feel comfortable to provide the TB community a solid and trustable update about this new family of RX antennas. Results I started dreaming with 160
/archives//html/Topband/2007-05/msg00056.html (11,430 bytes)

3. Re: Topband: Waller Flag six month update. The rotatable RXantennat that really works on 160 / 80 m (score: 1)
Author: "n4is" <>
Date: Sat, 19 May 2007 08:09:41 -0400
Hi Bill Well, the Waller Flag, as I called it, is not a new antenna project, the idea of it started with WA2WVL articles QST Feb, 1995, "Is this EWE for you?" At the end of the second article, Floyd
/archives//html/Topband/2007-05/msg00057.html (9,769 bytes)

4. Topband: NEW ALL METAL WALLER FLAG FOR 160m 80m 40m small lots.GREAT RX ANTENNA (score: 1)
Author: "n4is" <>
Date: Sat, 14 Jul 2007 14:01:02 -0400
Hi Guys I keep myself motivated during this summer. The activity has being very low on Top Band but very good DX conditions. Since I finished my Big Waller Flag last December, I worked 133 countries
/archives//html/Topband/2007-07/msg00009.html (8,037 bytes)

5. Re: Topband: topband post - waller flag antenna (score: 1)
Author: "n4is" <>
Date: Sat, 14 Jul 2007 21:54:25 -0400
Hi Chuck The detuning cap is used on my TX antenna, the tower has a skirt and it works like a &frac14; wave stub, short circuited on the top and high impedance at the base of the tower. When the TX t
/archives//html/Topband/2007-07/msg00010.html (7,799 bytes)

6. Re: Topband: Transceiver for 160 (score: 1)
Date: Fri, 19 Oct 2007 18:02:34 +0000
Hi Guys I'm using my IC7800 and since firm, V2.1 there is a huge improvement on the APF. The trick is to move the center of the APF to the edge of the RF BW and not in the center. My commun sets are
/archives//html/Topband/2007-10/msg00091.html (8,872 bytes)

7. Re: Topband: One way propagation (score: 1)
Author: "n4is" <>
Date: Mon, 12 Nov 2007 12:25:33 -0500
<<One way propagation is impossible in a linear and isotropic medium. Besides all possibilities I would like to mention my own experience. Living in a suburban area I measure my local noise periodica
/archives//html/Topband/2007-11/msg00080.html (8,146 bytes)

8. Re: Topband: Flags and loops in restricted space (score: 1)
Author: "n4is" <>
Date: Sat, 29 Dec 2007 15:19:55 -0500
Hi Bjorn It depends, the loop is resonant, and any resonant antenna will reradiate signals and noise. You can have any non resonant antenna close to each other, like several EWE's or Flags, they are
/archives//html/Topband/2007-12/msg00220.html (8,391 bytes)

9. Re: Topband: [TowerTalk] 160 RX antenna (score: 1)
Author: "n4is" <>
Date: Mon, 31 Dec 2007 07:52:36 -0500
""Lots of common mode impedance between the ground system and RX Antennas will help that though too."" Dan I run my cables inside galvanized water pipe buried 8", the metal shield magnetic field and
/archives//html/Topband/2007-12/msg00236.html (8,027 bytes)

10. Re: Topband: Flags and loops in restricted space (score: 1)
Author: "n4is" <>
Date: Mon, 31 Dec 2007 08:19:11 -0500
Bjorn << The TX antenna is located about 50-75 meter away from the RX antennas and I am not sure if I would gain anything by detuning it. What is the simplest way to find out? >> Any 1/2 wave length
/archives//html/Topband/2007-12/msg00237.html (9,465 bytes)

11. Re: Topband: 160 RX antenna (score: 1)
Author: "n4is" <>
Date: Mon, 31 Dec 2007 17:07:41 -0500
The magnetic field is this case is an external agent caused by a huge current source, in the transformer we have the magnetic current inside the iron. We use it to transport energy. It is not the sam
/archives//html/Topband/2007-12/msg00259.html (8,577 bytes)

12. Re: Topband: Variable Flag Termination? (score: 1)
Author: "n4is" <>
Date: Wed, 2 Jan 2008 22:20:52 -0500
Dan Here what I noticed working on my Waller Flag. The WF is 2 flags in phase so this explanation applies to Flag, EWE, K9AY or Pennants, they are all the same kind of antenna and works based on2 sma
/archives//html/Topband/2008-01/msg00023.html (9,508 bytes)

13. Re: Topband: (no subject) (score: 1)
Author: "n4is" <>
Date: Mon, 12 May 2008 09:07:40 -0400
Hi Jacek I'm working on receiving antennas for 160m almost 3 years now. Here my resume about what can go wrong with receiving your antenna. Make sure you are listen signal coming from you RX antenna
/archives//html/Topband/2008-05/msg00034.html (8,867 bytes)

14. Topband: 160 m propagation polar path (score: 1)
Author: "n4is" <>
Date: Thu, 28 Aug 2008 08:38:08 -0400
Hello Folks The new season is starting early this year, yesterday VQ9LA was Q5 at my sunset in S Florida, last year we had a similar QSO last week of August as well. I'm telling you that to say some
/archives//html/Topband/2008-08/msg00098.html (8,271 bytes)

15. Topband: UPDATE >> 160 m propagation polar path (score: 1)
Author: "n4is" <>
Date: Wed, 29 Oct 2008 16:06:33 -0400
Hello Folks is starting again. Looking into the A index chart it is possible to forecast very good condx on Sept 6-8, Oct 4-6 and Nov 2-4.<< I did not noticed much enhancement on Oct 4-6 , However co
/archives//html/Topband/2008-10/msg00162.html (8,255 bytes)

16. Re: Topband: Recent Conditions (score: 1)
Author: "n4is" <>
Date: Wed, 3 Dec 2008 19:15:53 -0500
Phill charts I need to be looking at?< Based on my observations here in South Florida, for 160m we need at least 5 days with low A index for good condition across the pole. Only one or few days are n
/archives//html/Topband/2008-12/msg00032.html (7,873 bytes)

17. Re: Topband: K9AY-Loop ? (score: 1)
Author: "n4is" <>
Date: Tue, 13 Jan 2009 19:25:50 -0500
Jerry I'm quite sure there is no problem with your K9AY-Loop itself; however I am 100% sure why it is not working. The main reason RX antennas do not work is because the proximity with a resonant TX
/archives//html/Topband/2009-01/msg00123.html (9,335 bytes)

18. Re: Topband: K9AY-Loop ? (score: 1)
Author: "n4is" <>
Date: Wed, 14 Jan 2009 08:04:39 -0500
agree that the ground is needed beyond for whatever it takes to make the antenna work.<< Hi Jim That's a good point. What is an antenna? Simple question but difficult answer, let's see a 6m yagi at
/archives//html/Topband/2009-01/msg00127.html (9,970 bytes)

19. Re: Topband: CQ 160 weird ideas (score: 1)
Author: "n4is" <>
Date: Sat, 17 Jan 2009 09:24:38 -0500
Hi topband lovers. Let's face the reality, what makes the band almost impossible to work DX on 160m international contests? It is a large number of local stations calling CW for hours with only few l
/archives//html/Topband/2009-01/msg00165.html (9,268 bytes)

20. Re: Topband: Flag antenna Gain: (score: 1)
Date: Thu, 26 Feb 2009 16:48:18 +0000
Bruce The flag has low gain for however EZENEC does not calculate gain correctely for small loops close to ground. Check the help notes about it. One preamp is enough to bring sensivity above the loo
/archives//html/Topband/2009-02/msg00136.html (7,990 bytes)

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