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61. Re: Topband: Measuring field strength (score: 1): Author: Herb Schoenbohm <herbs@surfvi.com>; Date: Thu, 21 Dec 2006 10:40:08 -0400; Dan, If you use the distance of one mile to make your FSM you can tap into the wealth of FCC (www.fcc.gov) and other enginneering data that use measurements at one mile with 1KW into a vertical. If y; /archives//html/Topband/2006-12/msg00214.html (8,217 bytes)
62. Re: Topband: Measuring field strength (score: 1): Author: Herb Schoenbohm <herbs@surfvi.com>; Date: Thu, 21 Dec 2006 12:18:34 -0400; I mentioned the www.fcc.gov website where there is an excellent inverse distantce field strength caculator in the last post. Even though its frequency data entry tops out at 1700Khz it is close enoug; /archives//html/Topband/2006-12/msg00216.html (8,341 bytes)
63. Topband: [Fwd: Field Strength Calculator] (score: 1): Author: Herb Schoenbohm <herbs@surfvi.com>; Date: Fri, 22 Dec 2006 15:04:16 -0400; Several Topander have contacted me that they did not have easy access by navigating the web site so here is the direct link to the FCC's FS calculator. http://www.fcc.gov/fcc-bin/fig8 Additonally the; /archives//html/Topband/2006-12/msg00226.html (8,377 bytes)
64. Topband: WWII Transatlantic Communication (score: 1): Author: "Herb Schoenbohm" <herbs@surfvi.com>; Date: Sun, 24 Dec 2006 09:15:30 -0400; This is a bit off topic unless of course frequencies near 160 meters were used. But since I do not know I am asking. I recently heard on CSPAN an account of the beginning of the era of broadcast jour; /archives//html/Topband/2006-12/msg00287.html (7,614 bytes)
65. Re: Topband: strange conditions are normal (score: 1): Author: "Herb Schoenbohm" <herbs@surfvi.com>; Date: Sat, 30 Dec 2006 09:13:42 -0400; -- Original Message -- Newtonian way of looking at it or go for Einsteins view, we must simply surrender to the multitude of factors and their fast dynamic change over space and time. Indeed....There; /archives//html/Topband/2007-01/msg00047.html (6,804 bytes)
66. Re: Topband: Remote RX antenna (score: 1): Author: Herb Schoenbohm <herbs@surfvi.com>; Date: Wed, 03 Jan 2007 16:46:38 -0400; Bjorn, Why is coax cable out of the question? .....1 KM of RG6 cable designed for direct burial IMHO probably beats all other options. (A Ditch Witch with a vibrating plow attachment could do the run; /archives//html/Topband/2007-01/msg00061.html (7,840 bytes)
67. Topband: 1A4A (score: 1): Author: "Herb Schoenbohm" <herbs@surfvi.com>; Date: Fri, 5 Jan 2007 13:24:41 -0400; Just talked to 1A4A on 20 meters and he promises to look for NA at 2300 on 160. Last night he used 1.831 and was on at about 0600 but only for a few minutes. he worked a few NA few and went QRT. I as; /archives//html/Topband/2007-01/msg00071.html (6,896 bytes)
68. Re: Topband: Need advice (score: 1): Author: "Herb Schoenbohm" <herbs@surfvi.com>; Date: Sat, 6 Jan 2007 13:15:43 -0400; Probably not if the old one is in short pieces and none are over 100 feet long. I presume the wire was insulated. If that is the case this is even better and will not contribute much if anything to; /archives//html/Topband/2007-01/msg00079.html (7,153 bytes)
69. Re: Topband: beverage lobes (score: 1): Author: herbs@surfvi.com; Date: Tue, 9 Jan 2007 13:07:50 -0400; It turns out The results from the Eastern Caribbean are oposite! When the skew is in JA's are sometimes as strong as NA and I can worked a dozen or more aproaching sunrise. During the skewed path ope; /archives//html/Topband/2007-01/msg00151.html (9,462 bytes)
70. Re: Topband: Stew Perry TBDC changes being considered (score: 1): Author: herbs@surfvi.com; Date: Tue, 9 Jan 2007 15:54:25 -0400; Tree Wrote in Part Our target weekend would be the weekend before the CQ WW SSB contest - which might enable a few more DX stations to be on (arriving early before the CQ WW SSB contest).> If the new; /archives//html/Topband/2007-01/msg00163.html (8,327 bytes)
71. Topband: Coax cable for decoupling Toriods (score: 1): Author: herbs@surfvi.com; Date: Wed, 10 Jan 2007 17:05:48 -0400; Topbanders: I have a few TDK large diameter 3" Ferrite Toroids and would like to convert them into decoupling common mode chokes for my Beverage feed points to decouple RG6 runs. I have wrapped sever; /archives//html/Topband/2007-01/msg00187.html (7,052 bytes)
72. Re: Topband: Railway substation and powerline noise (score: 1): Author: herbs@surfvi.com; Date: Mon, 12 Feb 2007 09:01:14 -0400; Quoting "Alen, 9A4WW" > Alen, If you can not use Beverages or loops to help you slice out of the noise sources perhaps the only way is to do a remote control transmitter set up via internet, VPN, or; /archives//html/Topband/2007-02/msg00102.html (7,734 bytes)
73. Re: Topband: Beverage question (score: 1): Author: herbs@surfvi.com; Date: Thu, 22 Feb 2007 12:47:01 -0400; In John Devoldere's Low I think the later portion of the sentance was mistakenly omitted by the printer in John's great low band treatise. It is because of woods, thickets, hay fields, hedge rows and; /archives//html/Topband/2007-02/msg00245.html (8,453 bytes)
74. Re: Topband: finding buried radials (score: 1): Author: "Herb Schoenbohm" <herbs@surfvi.com>; Date: Sat, 17 Mar 2007 10:31:20 -0400; If you have a Field Stength Meter, or even a DIY sensitive milliamp meter and some diodes and a single turn loop of wire, key your TX a the low power level till you get a reading of half scale and t; /archives//html/Topband/2007-03/msg00068.html (7,794 bytes)
75. Re: Topband: DU9/N0NM (score: 1): Author: "Herbert Schoenbohm" <herbs@surfvi.com>; Date: Thu, 22 Mar 2007 08:26:53 -0400; before Last year in March Jon, DU/N0NM was recorded peaking at 579 day after day. This year it is mostly ESP with a few peaks at local SR. The most he ever copied from me was a "Z". At this point it; /archives//html/Topband/2007-03/msg00105.html (7,439 bytes)
76. Topband: Dragon Slayer (score: 1): Author: "Herbert Schoenbohm" <herbs@surfvi.com>; Date: Thu, 22 Mar 2007 17:20:11 -0400; While the experts work on blanking possibilities there is also another approach which involves considerable activism and cross communications of ideas. First one key to getting attention from the PRC; /archives//html/Topband/2007-03/msg00114.html (9,517 bytes)
77. Re: Topband: IPS GEOMAGNETIC WARNING (score: 1): Author: herbs@surfvi.com; Date: Sat, 24 Mar 2007 14:55:45 -0400; Quoting EP Swynar <gswynar@durham.net>: Here's a little official reminder that ol' Sol is on the verge of throwing a DU9/N0NM was WSW this morining and Jon also reported a skew path. K4RX also report; /archives//html/Topband/2007-03/msg00118.html (7,498 bytes)
78. Re: Topband: 160M vertical and snow (score: 1): Author: "Herbert Schoenbohm" <herbs@surfvi.com>; Date: Wed, 28 Mar 2007 09:11:27 -0400; That is what is done in broadcast AM vertical installations that are series fed. The tower insulator normally sits on a concrete pier as much as 3 feet above ground. Four inch copper straps are broug; /archives//html/Topband/2007-03/msg00137.html (7,874 bytes)
79. Re: Topband: End of the Season (Sigh!) (score: 1): Author: "Herbert Schoenbohm" <herbs@surfvi.com>; Date: Tue, 24 Apr 2007 10:22:13 -0400; Well, that fateful moment that I've been dreading all along is upon me here: yes, it's time to roll up the radials, bag them separately by specific antenna & tuning capacitor enclosure, ID each, and; /archives//html/Topband/2007-04/msg00112.html (8,352 bytes)
80. Re: Topband: Beverage (score: 1): Author: "Herbert Schoenbohm" <herbs@surfvi.com>; Date: Tue, 22 May 2007 08:34:19 -0400; is three and some of it is up to 12 strands ranging from 18 long. of the strands together at both ends and lay the cable Bob, I have used excess indoor CAT-5 cable this way and it works well....howe; /archives//html/Topband/2007-05/msg00065.html (7,001 bytes)

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