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181. Re: Topband: WAS on 160 meters in three (3) days (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Mon, 14 Dec 2009 11:41:49 -0400; WAS on 160 is much easier today even for DX. I had done it before in 29 hours but during this years ARRL 160 Contest I dropped that to under 9 hours. Idaho rather than KH6 or KL7 was the most elusive; /archives//html/Topband/2009-12/msg00172.html (7,965 bytes)
182. Re: Topband: A couple of Beverage questions (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Mon, 14 Dec 2009 12:17:37 -0400; Greg, I did some tests on a DXE two wire ladder line system and was most disappointed that I did not take their advice on unused port termination long ago. On my two wire systems I run two separate R; /archives//html/Topband/2009-12/msg00176.html (10,234 bytes)
183. Re: Topband: WAS on 160 meters in three (3) days (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 15 Dec 2009 09:20:01 -0400; Just ran the filter on the ARRL 160 Meter contest looking for WAS time and I was able to narrow it down to all 50 states worked here in 6 Hours and 45 minutes. In the past it was a struggle to make a; /archives//html/Topband/2009-12/msg00189.html (12,718 bytes)
184. Re: Topband: : Re: JT1CO QSL (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Thu, 17 Dec 2009 21:28:38 -0400; I would be happy for a QSO alone....just to know I could break the seemingly Auroral barrier. My location in the Eastern Caribbean makes the path at 5 degree chances between very very slim to none. I; /archives//html/Topband/2009-12/msg00207.html (7,909 bytes)
185. Re: Topband: radials and shunt fed tower (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Thu, 17 Dec 2009 21:31:52 -0400; Luc.....all your radials and coax braid should connect to the base of the tower which I presume has a good DC ground as well to the tower base. Herb, KV4FZ ___________________________________________; /archives//html/Topband/2009-12/msg00208.html (7,766 bytes)
186. Re: Topband: 160 Antenna Struggles (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Mon, 21 Dec 2009 11:27:02 -0400; Rip......If you convert you inverted L to a Marconi "T" I would bet things on 160 will improve dramatically for you. The "L" has most of its radiation warming the clouds. With a horizontal wire, lets; /archives//html/Topband/2009-12/msg00231.html (9,350 bytes)
187. Re: Topband: 160 RX Loops (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Mon, 21 Dec 2009 11:34:59 -0400; I would highly recommend one of the ANC, DXE, or MFJ noise phase canceling units as a better way of getting rid of local noise. In which case a vertical antenna, or any antenna that picks up the noi; /archives//html/Topband/2009-12/msg00233.html (8,551 bytes)
188. Topband: [Fwd: Re: RFI from MacIntosh G4 Monitor] (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 22 Dec 2009 13:55:26 -0400; Sure....set the wifes computer up inside a shielded enclosure taking care of putting chokes on any entry cable. If you want to try this for a test and if you don't have a tanning enclosure in your ho; /archives//html/Topband/2009-12/msg00247.html (7,690 bytes)
189. Re: Topband: Power Line Noise (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 22 Dec 2009 16:56:27 -0400; Steve, Maybe more of us could help if you made a .mpg recording of the noise with the RX in the AM mode and with a 9Khz B/W and then post it on a web site where we all can listen to it and see if we; /archives//html/Topband/2009-12/msg00250.html (8,191 bytes)
190. Re: [CQ-Contest] Topband: How to find your Grid square for use in Stew Perry contest (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Sat, 26 Dec 2009 15:22:23 -0400; Thanks Henk, I have used Ham Grid and found that F6FVY (Google Earth) is right and gives me FK77QR but Ham Grid is way off for the exact same coordinates and yields FK87HR. So I am going with F6FVY.; /archives//html/Topband/2009-12/msg00287.html (8,917 bytes)
191. Re: Topband: 450 ohm ladder line (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Wed, 30 Dec 2009 18:38:12 -0400; If you need ladder line to construct a two wire Beverage remember regular 300 ohm TV twin lead works well and probably costs much less. Even the military telephone wire or regular telephone drop wire; /archives//html/Topband/2009-12/msg00335.html (7,741 bytes)
192. Re: Topband: Shunt fed T (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Mon, 04 Jan 2010 12:41:08 -0400; Am I on the right lines, what if I use 4 wires the reason been its better for guying and I thought the 4 shorter ones mean less cancellation of the vertical radiator!! Obviously I can use 2 rope for; /archives//html/Topband/2010-01/msg00044.html (8,065 bytes)
193. Re: Topband: Shunt fed T (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Tue, 05 Jan 2010 05:48:59 -0400; Thanks for the EZNEC model John. Are the wires in your model sloping down or straight as a 45 degree slope would tend to make them appear a bit shorter?. I think the match on 1.8mhz may be easier wit; /archives//html/Topband/2010-01/msg00054.html (10,094 bytes)
194. Re: Topband: T-antenna dimensions? (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Mon, 18 Jan 2010 05:45:06 -0400; Mike, Assuming a 50 foot vertical drop...... 100 foot horizontal section or more to make the feed point have some inductive reactance which you can tune out with a series cap to get a reasonable VSWR; /archives//html/Topband/2010-01/msg00140.html (8,181 bytes)
195. Re: Topband: T antenna Resonance Dimensions and Z (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 19 Jan 2010 16:44:35 -0400; I still think, however, making the top a bit longer and thus slightly inductive and using just a fixed series cap you have a simpler solution with a feed point value closer to 50 ohms and the ability; /archives//html/Topband/2010-01/msg00148.html (8,409 bytes)
196. Re: Topband: T-antenna dimensions? (score: 1): Author: Herbert Schoenbohm <herbs@vitelcom.net>; Date: Wed, 20 Jan 2010 05:34:43 -0400; A folded back multiwire top hat will give you a larger top hat area and reduce the length required for the top wire. This was a common Marconi antenna idea in the 20's with two three and even four wi; /archives//html/Topband/2010-01/msg00155.html (8,237 bytes)
197. Re: Topband: beverage over the ground (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Wed, 27 Jan 2010 06:40:56 -0400; Jorge, BOGS work well but they can be much shorter than 1100 feet. Due to the ground effect "Velocity Factor" 500 feet would work just as well and with a better pattern most likely. Herb, KV4FZ _____; /archives//html/Topband/2010-01/msg00218.html (7,351 bytes)
198. Re: Topband: TX3D Feedback (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Thu, 28 Jan 2010 05:34:38 -0400; Great ears and very good operators. Hope to repeat the call during the CQ160 test this weekend. I hope you will be on as well Ed as you will probably be as rare from Manitoba during the contest as TX; /archives//html/Topband/2010-01/msg00234.html (7,133 bytes)
199. Topband: [Fwd: Re: Equal opportunity] (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 02 Feb 2010 09:04:28 -0400; Art, I had a similar problem in reverse but only related to the 160 meter contest when a European whose multiplier I needed called me again the next day. He showed up on the "dupe warning error". Ma; /archives//html/Topband/2010-02/msg00016.html (9,048 bytes)
200. Re: Topband: SDR and Skimmer (score: 1): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Tue, 02 Feb 2010 14:47:13 -0400; Pete: Since I am never exactly sure with a transceiver set with a low pitch where the split should be to get within the stations 200hz RX B/W, could I use a simple SRD and Skimmer to insure that I am; /archives//html/Topband/2010-02/msg00025.html (7,524 bytes)

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