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Total 15 documents matching your query.

1. Topband: RX epiphany? (score: 1): Author: Bob Kupps <n6bk@yahoo.com>; Date: Wed, 12 Sep 2012 20:07:01 -0700 (PDT); Hi well I've only been QRV since June here but the QRN level seems noticeably worse than my previous QTH in the W6 desert even though my current QTH is also quiet, limited by only propagated QRN. Man; /archives//html/Topband/2012-09/msg00068.html (8,152 bytes)
2. Re: Topband: RX epiphany? (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Thu, 13 Sep 2012 07:38:59 -0400; Hi well I've only been QRV since June here but the QRN level seems noticeably worse than my previous QTH in the W6 desert even though my current QTH is also quiet, limited by only propagated QRN. >>>; /archives//html/Topband/2012-09/msg00069.html (10,536 bytes)
3. Re: Topband: RX epiphany? (score: 1): Author: "David Raymond" <daraymond@iowatelecom.net>; Date: Thu, 13 Sep 2012 09:47:49 -0500; I agree with Tom's assessment. I wouldn't be too quick to give up on your tx 4 square. Having a tx 4 square, a 1/4 wave vertical, and an 8 circle rx array, I find the 4 square really does hear quite; /archives//html/Topband/2012-09/msg00072.html (8,558 bytes)
4. Re: Topband: RX epiphany? (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Thu, 13 Sep 2012 11:37:20 -0400; I agree with Tom's assessment. I wouldn't be too quick to give up on your tx 4 square. Having a tx 4 square, a 1/4 wave vertical, and an 8 circle rx array, I find the 4 square really does hear quite; /archives//html/Topband/2012-09/msg00074.html (9,034 bytes)
5. Re: Topband: RX epiphany? (score: 1): Author: jbwolf@comcast.net; Date: Thu, 13 Sep 2012 15:44:44 +0000 (UTC); Tom, In your opinion; given a receive antenna with negative gain, at what level does the negative gain start to come into play? -25 dBi, -35 dBI ? Jim -- Original Message -- Dave, Just curious. Why; /archives//html/Topband/2012-09/msg00075.html (8,758 bytes)
6. Re: Topband: RX epiphany? (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Thu, 13 Sep 2012 13:08:07 -0400; In your opinion; given a receive antenna with negative gain, at what level does the negative gain start to come into play? -25 dBi, -35 dBI ? There are several variables to this. Estimating from a mo; /archives//html/Topband/2012-09/msg00076.html (9,148 bytes)
7. Re: Topband: RX epiphany? (score: 1): Author: Arthur Delibert <radio75a3@msn.com>; Date: Thu, 13 Sep 2012 19:44:46 -0400; Bob-- Just curious -- How is your reception around sunrise, when most of the thunderstorms in the Americas are in daylight, and therefore their QRN probably isn't reaching you? Art, KB3FJO __________; /archives//html/Topband/2012-09/msg00080.html (9,942 bytes)
8. Re: Topband: RX epiphany? (score: 1): Author: Bob Kupps <n6bk@yahoo.com>; Date: Thu, 13 Sep 2012 16:56:45 -0700 (PDT); Hi thanks to all for the replies. Sorry I wasn't clear my QTH is northern Thailand. The point I was trying to make is that even though it is a noisy part of the season it is apparently less noisy at; /archives//html/Topband/2012-09/msg00081.html (7,784 bytes)
9. Re: Topband: RX epiphany? (score: 1): Author: <donovanf@starpower.net>; Date: Thu, 13 Sep 2012 21:12:47 -0400 (EDT); Bob, If you have a choice of one or the other the choice is easy: the transmit 4-square as an excellent transmit array as well as an excellent receive array. Good luck! 73 Frank W3LPL -- Original mes; /archives//html/Topband/2012-09/msg00082.html (9,082 bytes)
10. Re: Topband: RX epiphany? (score: 1): Author: DAVID CUTHBERT <telegrapher9@gmail.com>; Date: Thu, 13 Sep 2012 19:44:31 -0600; Bob, with US and European stations operating top band during the winter only you will only work them during your summer. So, you will always be subject to higher noise at your end of the path. Dave _; /archives//html/Topband/2012-09/msg00083.html (9,858 bytes)
11. Re: Topband: RX epiphany? (score: 1): Author: Bob Kupps <n6bk@yahoo.com>; Date: Thu, 13 Sep 2012 18:55:33 -0700 (PDT); Hey Dave! (he was my first QSO as a novice 43 years ago) I am located at 20 degrees N. Actually my choice is between a 160m Xmit 4 square and concentric 80/160m 8 circle RX arrays. __________________; /archives//html/Topband/2012-09/msg00084.html (10,162 bytes)
12. Re: Topband: RX epiphany? (score: 1): Author: DAVID CUTHBERT <telegrapher9@gmail.com>; Date: Thu, 13 Sep 2012 20:03:46 -0600; Bob and Bob, so it is! I thought it was just below the equator. Dave _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK; /archives//html/Topband/2012-09/msg00085.html (11,060 bytes)
13. Topband: RX epiphany? (score: 1): Author: "Lee K7TJR" <k7tjr@msn.com>; Date: Thu, 13 Sep 2012 20:40:08 -0700; Bob, I suggest you contact Peter XU7ACY and get his take on working 160 DX from your area of the world. In my contacts with him, receiving has been his biggest problem. Lee K7TJR OR _________________; /archives//html/Topband/2012-09/msg00086.html (7,565 bytes)
14. Re: Topband: RX epiphany? (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Fri, 14 Sep 2012 21:09:52 -0400; Hi thanks to all for the replies. Sorry I wasn't clear my QTH is northern Thailand. The point I was trying to make is that even though it is a noisy part of the season it is apparently less noisy at; /archives//html/Topband/2012-09/msg00088.html (10,571 bytes)
15. Re: Topband: RX epiphany? (score: 1): Author: "Wes Attaway $N5WA$" <wesattaway@bellsouth.net>; Date: Fri, 14 Sep 2012 22:21:32 -0500; That is a terrific, common-sense, ranking of options. -- Wes Attaway (N5WA) -- 1138 Waters Edge Circle, Shreveport, LA 71106 318-797-4972 (Office) - 318-393-3289 (Cell) Computer Consulting and Forens; /archives//html/Topband/2012-09/msg00089.html (10,625 bytes)

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