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41. Re: Topband: This morning on 160 meters (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Thu, 22 Feb 2007 21:56:06 +0100
IV3PRK replies: I wrote an article for the December 2006 issue of the Japanese DX Magazine "Five Nine" with an analysis of the JA path on Topband (over 9.000 km). The JA's are active every day in ea
/archives//html/Topband/2007-02/msg00249.html (8,285 bytes)

42. Topband: Earl K6SE (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Tue, 1 May 2007 04:39:11 +0200
This has been the worst news of the year on Topband. As many of us, I am also indebted to K6SE for both transmitting and receiving antennas. After his 1975 QST article, he fully modeled with Eznec my
/archives//html/Topband/2007-05/msg00000.html (6,510 bytes)

43. Topband: 4-square Rx antenna project (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Mon, 10 Mar 2008 21:12:02 +0100
Hi Topbanders, I just got a small lot, one wavelength from the TX antenna, which can fit a 4-square receiving array. At the moment I'm mostly using a rotatable Flag, several Pennants and a K9AY loop,
/archives//html/Topband/2008-03/msg00027.html (10,286 bytes)

44. Topband: Rx 4 square switching box (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sat, 14 Jun 2008 22:07:21 +0200
Hi friends, While building the switching box for my new receiving array a thought puzzled me. I'm trying to be careful with the grounds isolation, i.e. the verticals ground system not connected to th
/archives//html/Topband/2008-06/msg00019.html (7,302 bytes)

45. Re: Topband: (no subject) (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Tue, 5 Aug 2008 16:53:43 +0200
Terry, Amidon accepts also SMALL orders sales@amidoncorp.com This was my last order on October 29, 2007: -- Dear Sirs, Could you please accept this SMALL order ? Quantity Part number Unit price Total
/archives//html/Topband/2008-08/msg00003.html (8,143 bytes)

46. Re: Topband: South Dakota (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Mon, 19 Jan 2009 15:58:53 +0100
Stations of SD worked here are: W7XU in 1996 and 2008 W0JX in 1998 KJ0M in 2005 W0SD in 2006 ... but next year will not be too late, it should be better! 73 Luis IV3PRK ______________________________
/archives//html/Topband/2009-01/msg00188.html (7,672 bytes)

47. Topband: my 160 m. website (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Fri, 13 Feb 2009 12:05:37 +0100
Topband Friends, Finally I managed to upload on my first website www.iv3prk.it all my 160 meters propagation/statistics graphs and most of the PDF files with full documentation on several Rx antennas
/archives//html/Topband/2009-02/msg00077.html (6,579 bytes)

48. Re: Topband: QSL:s (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Wed, 25 Feb 2009 17:48:58 +0100
I looked into my log from 2006 until today. What I found out was that DL stns are almost QSLing 100%, but Stateside stations only about 5% (!). The question is: are the qsl-bureaus very slow or am I
/archives//html/Topband/2009-02/msg00130.html (7,937 bytes)

49. Re: Topband: 160 Harmonic? (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sun, 17 May 2009 20:50:15 +0200
Also for me it's coming from Nort West and it is much stronger than the well known 2nd harmonic of Radio Ljubljana on 1836 (100 km. east of my QTH). Luis IV3PRK -- Nessun virus nel messaggio in arri
/archives//html/Topband/2009-05/msg00067.html (8,278 bytes)

50. Re: Topband: Dual feed for Pennants (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Tue, 23 Jun 2009 21:32:34 +0200
To cover two directions with broadside phasing I use four Pennants, one in front of the other, in two groups, with point fed (and the loading resistors are in the middle of the opposite vertical wire
/archives//html/Topband/2009-06/msg00076.html (8,732 bytes)

51. Re: Topband: 160/M---Time for a new topic--- 160mobile?! (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sat, 31 Oct 2009 04:28:26 +0100
I confirm that : Don was MOBILE from California and he worked me in Italy. That happened on March 27, 2001. Luis IV3PRK _______________________________________________ 160 meters is a serious band,
/archives//html/Topband/2009-10/msg00436.html (8,518 bytes)

52. Re: Topband: 160/M---Time for a new topic--- 160mobile?! (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sat, 31 Oct 2009 05:00:11 +0100
But while Don worked me from a parking in Los Angeles area, Jon did it while driving home from the work, on express way in Delaware! Luis IV3PRK _______________________________________________ 160 m
/archives//html/Topband/2009-10/msg00437.html (8,484 bytes)

53. Topband: 3D2KJ on my website (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Mon, 9 Nov 2009 17:07:23 +0100
Topband Friends, thanks to kind cooperation of Jacek, SP5DRH, I published on my website a page on his successful 160 m. DXpedition to Fiji is. with some pictures and a propagation analysis. You can s
/archives//html/Topband/2009-11/msg00263.html (7,225 bytes)

54. Re: Topband: 160 Meter Propagation (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Thu, 24 Dec 2009 16:23:35 +0100
Carl and Greg, I fully agree with your comments and just updated these pages on my website, after the last two openings with ZL3IX: http://www.iv3prk.it/new-zealand.htm http://www.iv3prk.it/oceania.
/archives//html/Topband/2009-12/msg00269.html (8,353 bytes)

55. Topband: Quo Vadis with SDR? The END (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sat, 2 Jan 2010 10:16:57 +0100
Topbanders, So, instead of trying to improve our RX antennas within our own constraints, we "normal Topband Amateurs" could subscribe a business agreement with Mister Jarda ( who has invested several
/archives//html/Topband/2010-01/msg00024.html (8,506 bytes)

56. Re: Topband: Double Delta Loop (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Fri, 5 Feb 2010 21:44:03 +0100
No Bob, it receives from the feed point direction. The load is on the back of the array. 73 Luis IV3PRK -- Nessun virus nel messaggio in arrivo. Controllato da AVG - www.avg.com Versione: 8.5.432 / D
/archives//html/Topband/2010-02/msg00069.html (7,707 bytes)

57. Topband: K3NA Loop Array (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sat, 19 Jun 2010 18:55:59 +0200
Hi Topbanders, I read the very fine presentation by Eric Scace, K3NA, at 2009 Dayton Antenna Forum on a new Rx Loop Array. http://www.kkn.net/dayton2009/dayton-2009-antenna-forum.html I like to test
/archives//html/Topband/2010-06/msg00048.html (6,706 bytes)

58. Re: Topband: K3NA Loop Array (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Mon, 21 Jun 2010 18:22:43 +0200
Hi Rick, many thanks for your comments. I'm going to read also your article on NCJ Sep/Oct 2009: there is always something to learn from you. Eric very kindly provided a lot of details, but I underst
/archives//html/Topband/2010-06/msg00054.html (8,321 bytes)

59. Re: Topband: Where are all the JA's? (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sun, 26 Dec 2010 23:22:22 +0100
Yes, it looks like a pretty robust community to me also: These are the progressive totals (from March to March) of my JA QSOs on 160 m. (From here it is an over 9.000 km. high latitude path with all
/archives//html/Topband/2010-12/msg00126.html (8,730 bytes)

60. Topband: Where are all the JA's? (score: 1)
Author: "Luis Mansutti IV3PRK" <luisprk@tin.it>
Date: Sun, 26 Dec 2010 23:30:12 +0100
Yes, it looks like a pretty robust community to me also: These are the progressive totals (from March to March) of my JA QSOs on 160 (From here it is an over 9.000 km. high latitude path with all lou
/archives//html/Topband/2010-12/msg00128.html (8,380 bytes)

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