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41. Topband: Need antenna advice (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 11 Feb 2010 20:07:29 -0800 (PST)
Ok, I feel a little foolish asking this question, but I wonder if anyone on the Topband list can offer some suggestions as to why my transmitted signal on 160 might be so weak. I can hear very, VERY
/archives//html/Topband/2010-02/msg00112.html (8,177 bytes)

42. Topband: Missing links in last message (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 11 Feb 2010 20:22:47 -0800 (PST)
160 meter transmitting antennas: http://lists.contesting.com/_topband/2006-12/msg00161.html http://users.erols.com/k3mt/inv_u/u_160.htm 73, Mike Waters W0BTU _________________________________________
/archives//html/Topband/2010-02/msg00113.html (6,504 bytes)

43. Re: Topband: Need antenna advice (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Sat, 13 Feb 2010 13:53:06 -0800 (PST)
Hello all, I want to express my deepest appreciation to all on the Topband list for all the advice and suggestions in response to my post. I received so many replies, it is just not possible to reply
/archives//html/Topband/2010-02/msg00124.html (8,598 bytes)

44. Re: Topband: RX antenna - Anecdotal Observation (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Tue, 16 Feb 2010 10:08:33 -0800 (PST)
... ... ... [snip] Perhaps the ground rod conductivity has changed. Here's an experience I had that might give you something to try. When I put up my first 2-wire bi-directional Beverage (with diffe
/archives//html/Topband/2010-02/msg00146.html (8,810 bytes)

45. Topband: Radial requirements for 1/2 wave vertical? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 18 Feb 2010 19:00:56 -0800 (PST)
I mostly agree. Years ago, I had a half-wave vertical for 20 meters, with 4 elevated radials, and that's how I fed it. I used to work VK's and ZL's nightly with it from my old QTH in NW Ohio. [snip]
/archives//html/Topband/2010-02/msg00163.html (9,005 bytes)

46. Topband: What are these weak birdies every 10.0000 KHz? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Sat, 20 Feb 2010 19:28:33 -0800 (PST)
Hello all, I have these constant weak carriers on 1810.000, 1820.000, 1830.000, 1840.000, 1850.000 ... on both my R-4C and IC-751A. A crystal-controlled wall-wart running at 10.00000 KHz? ;-) I've he
/archives//html/Topband/2010-02/msg00171.html (7,232 bytes)

47. Re: Topband: What are these weak birdies every 10.0000 KHz? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Sun, 21 Feb 2010 20:29:27 -0800 (PST)
[snip] Thanks for the info, Bob. I don't have any strong BCB stations nearby, but maybe I'll try your suggestion, thanks. 73, Mike Waters W0BTU _______________________________________________ UR RST
/archives//html/Topband/2010-02/msg00174.html (9,092 bytes)

48. Re: Topband: What are these weak birdies every 10.0000 KHz? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Sun, 21 Feb 2010 20:40:30 -0800 (PST)
I understand that strong nearby AM station can cause IMD/mixing/overload. But I have no strong nearby stations, and no amount of attenuation eliminates these birdies. This is not so say that a BPF w
/archives//html/Topband/2010-02/msg00175.html (8,979 bytes)

49. Re: Topband: Birdies (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Mon, 22 Feb 2010 17:20:43 -0800 (PST)
Thank you, Gary. At the prompting of Robin, WB6TZA, I did do some further quick checks about 3 PM, which showed me that a preamp here causes the birdies to appear during the day. (I think it's the b
/archives//html/Topband/2010-02/msg00182.html (7,938 bytes)

50. Re: Topband: Need antenna advice (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Mon, 22 Feb 2010 19:23:09 -0800 (PST)
Hello Guy, Well, I'm quite happy with the inverted-L(/U) transmitting antenna now, after implementing the elevated radial changes you suggested. Just now, I worked my 13th country on 160 CW (Bulgaria
/archives//html/Topband/2010-02/msg00184.html (16,132 bytes)

51. Re: Topband: "Linear Loading" & 160-Meters (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 25 Feb 2010 14:44:41 -0800 (PST)
[snip] There you go. Top loading is the preferred method in nearly every instance. 73, Mike Waters W0BTU _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
/archives//html/Topband/2010-02/msg00210.html (9,098 bytes)

52. Re: Topband: Newbie report (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Mon, 1 Mar 2010 21:44:28 -0800 (PST)
Hi Mark, I would be very happy to provide details of my Beverage receiving antennas. I cc'ed this to the Topband list. There are a lot of good people there who also have Beverages, that can help you.
/archives//html/Topband/2010-03/msg00002.html (12,101 bytes)

53. Re: Topband: Low activity (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Tue, 2 Mar 2010 16:16:50 -0800 (PST)
I noticed that. I and an east coast station were calling CQ for hours yesterday, until about 5:30 AM local time. I know I was heard in Japan, as a JA spotted my CQ on the DX cluster. The only reply
/archives//html/Topband/2010-03/msg00009.html (7,683 bytes)

54. Topband: Beverage transformer questions (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 4 Mar 2010 17:12:21 -0800 (PST)
Hello Joel, I get asked that and related questions quite a bit, so I'm cc'ing this to the Topband list. Glad to help, and thanks for asking. Below is a copy of a reply to someone else. Let me know if
/archives//html/Topband/2010-03/msg00029.html (12,788 bytes)

55. Re: Topband: suitable wire for top loading wires? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Tue, 16 Mar 2010 17:12:02 -0700 (PDT)
... Jon, You can certainly use galvanized wire, if you take precautions against corrosion. If you wrap galvanized electric fence wire next to copper wire, the connection will quickly corrode in the
/archives//html/Topband/2010-03/msg00081.html (8,348 bytes)

56. Topband: Fish net beacon locations? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Mon, 22 Mar 2010 21:00:59 -0700 (PDT)
Hello all, The other morning, I was listening to the 4OJT beacon on 1818. Strongest on the SE Beverage. Although they are a nuisance, at least if we knew the locations of some of them it would let us
/archives//html/Topband/2010-03/msg00123.html (6,986 bytes)

57. Re: Topband: Fish net beacon locations? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Wed, 24 Mar 2010 22:45:36 -0700 (PDT)
Hello Petr, Thank you! I'm happy that someone is trying to compile a list of beacons. Perhaps the following exchange between myself and Herb Schoenbohm, KV4FZ, may help you update your beacon list we
/archives//html/Topband/2010-03/msg00140.html (11,870 bytes)

58. Re: Topband: A desert ? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 1 Apr 2010 15:32:50 -0700 (PDT)
... Hi Herb, Do you know where one could get a list of English (no speaka other language here) Pacific AM radio stations? Sounds like a great idea to check propagation in the hours before sunrise. 7
/archives//html/Topband/2010-04/msg00005.html (7,654 bytes)

59. Re: Topband: Horizontal loop for rx (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Thu, 15 Apr 2010 15:35:20 -0700 (PDT)
When working LZ1ANA in February -- who was using such a loop -- it was obvious he could hear exceptionally well. He was in the noise and heard my 100 watts to an inverted-L thrown over a tree. I e-m
/archives//html/Topband/2010-04/msg00072.html (8,124 bytes)

60. Re: Topband: 3C0C (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Fri, 28 May 2010 11:35:36 -0700 (PDT)
When is 3C0C going to be on 160 CW? 73, Mike Waters W0BTU [snip] _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
/archives//html/Topband/2010-05/msg00063.html (11,511 bytes)

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