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References: [ +from:co8dm@frcuba.co.cu: 31 ]

Total 31 documents matching your query.

21. Re: Topband: Ideas for xmit antennas for new QTH in KH6 (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Wed, 9 Dec 2015 20:52:18 -0500
Hi, Read this article written by Rudy, N6LF: http://rudys.typepad.com/ant/files/antenna_array_single_support.pdf Maybe you can find your solution. GL, 73....Douglas, CO8DM / T49A Founder of T48K "No
/archives//html/Topband/2015-12/msg00132.html (11,130 bytes)

22. Topband: Bent verticals ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 22 Jan 2016 22:21:03 -0500
Hi Topbanders, I have been reading the article "Compact 4 squares and other ways to get gain on 40, 80 and 160m" written by K9RS and N9NB. It is very interesting. Someone on the list with experience
/archives//html/Topband/2016-01/msg00595.html (6,792 bytes)

23. Topband: How can I tune an FCP without isolation transformer ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 1 Feb 2016 14:49:21 -0500
Hi Topbanders, I am building an Inv L for 160m with FCP. As i can get an isolation transformer i will add a series loading coil (about 17uH) to my FCP and then an RF choke. How can i tune my FCP + Lo
/archives//html/Topband/2016-02/msg00010.html (6,891 bytes)

24. Re: Topband: How can I tune an FCP without isolation transformer ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 1 Feb 2016 14:57:39 -0500
Correction: I mean i CAN NOT get an isolation transformer... 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoci
/archives//html/Topband/2016-02/msg00011.html (8,628 bytes)

25. [TowerTalk] Ground screen ???? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Tue, 1 Mar 2016 22:09:49 -0500
Hi, Need some ideas from your side... I am trying to find a good solution for my 160/80m antenna. I am thinking about some kind of Inv L with an 80m trap as a radiator for both bands. But, what about
/archives//html/Topband/2016-03/msg00021.html (7,713 bytes)

26. Topband: Half slopers ??? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Fri, 1 Apr 2016 23:38:35 -0400
Hi, I am trying to work on 160m (also on 80m) from a city lot. I have been reading about half slopers in the ARRL Wire antenna classics B (chapter 7). I have a 50 ft grounded tower available and can
/archives//html/Topband/2016-04/msg00013.html (8,096 bytes)

27. Topband: Reverse feed system... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Fri, 22 Apr 2016 22:03:33 -0400
Hi, I would like try the Reverse Feed System (N4KG antenna) on 80m. I have a 50 ft GROUNDED tower (isolated from the guy wires) and similar size of Rohn 25G.How much top loading I need If radials (4)
/archives//html/Topband/2016-04/msg00142.html (6,801 bytes)

28. Re: Topband: Sad news N5IA SK (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Fri, 10 Jun 2016 15:16:21 -0400
Ohhh, very sad news. I have been reading his last message on topband reflector few days ago. RIP Milt !. 73 Doug, CO8DM --Mensaje original-- De: Topband [mailto:topband-bounces@contesting.com] En nom
/archives//html/Topband/2016-06/msg00063.html (9,050 bytes)

29. Topband: Phone segment for EU stations on 75 meters? (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Wed, 7 Sep 2016 20:11:46 -0400
Hi, What is the Phone segment for EU stations on 75 meters? I am tunning my 75/80m antenna for WAE SSB... it is very narrow (100 Khz), so, I want to know the most active segment during contest...Reso
/archives//html/Topband/2016-09/msg00012.html (7,325 bytes)

30. Topband: Horizontal Waller Flag (Single or double)... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Mon, 12 Sep 2016 23:23:51 -0400
Hi, I have a 5 elem 6m yagi...the boom is 15 ft long... I have been reading about the Waller Flag...both version, Vertical and Horizontal. I would like add the WF to my 6m yagi or a single WF (one lo
/archives//html/Topband/2016-09/msg00034.html (7,090 bytes)

31. Topband: 160 and 80m antenna... (score: 1)
Author: "Douglas Ruz / CO8DM" <co8dm@frcuba.co.cu>
Date: Wed, 9 Nov 2016 11:53:02 -0400
Hi Topbanders !!!; Finally I got an FCP isolation transformer for 160m...I am planning install a 160m Inv L + FCP...I am wondering if I can add 80m to this system. I know the 160m FCP isolation trans
/archives//html/Topband/2016-11/msg00059.html (6,537 bytes)

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