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Total 594 documents matching your query.

141. Topband: CQWW DX SSB and 160 Meter Band Plan (score: 1)
Author: (
Date: Fri, 19 Oct 2001 21:25:20 -0700
"And last but not least, can anyone out there really feel comfortable calling CQDX inside 1.830-35MHz even now as the DX window has been eliminated?" == I hope that Paul is the only one that thinks t
/archives//html/Topband/2001-10/msg00168.html (6,974 bytes)

142. Topband: 160-meter Band Plan (score: 1)
Author: (
Date: Sun, 21 Oct 2001 12:22:50 -0700
west coast and you'll really appreciate the 1830-35 DX window for those cherished Europeans who are otherwise usually clobbered by USA signals during our infrequent openings to Eu. 73, de Earl, K6SE
/archives//html/Topband/2001-10/msg00186.html (6,335 bytes)

143. Topband: Seperation of Radial Ring vs Vertical (score: 1)
Author: (
Date: Tue, 30 Oct 2001 14:32:01 -0800
"Is there an optimal seperation distance [from radial ring to vertical]?" == For an insulated (series-fed) vertical, keep in mind that the connection from the shield of the coax to the radials should
/archives//html/Topband/2001-10/msg00218.html (7,170 bytes)

144. Topband: Shunt feed vs sloper (score: 1)
Author: (
Date: Tue, 11 Sep 2001 07:51:45 -0700
"My antenna simulation software predicts very little difference in performance between a sloper and a shunt fed vertical. Has anyone compared them on the air?" == Yes, I have on 80 meters. The sloper
/archives//html/Topband/2001-09/msg00023.html (7,922 bytes)

145. Topband: K3J Active on 160 (score: 1)
Author: (
Date: Sat, 15 Sep 2001 11:26:24 -0700
I turned on the receiver at 1315Z this morning and was surprised to hear a fair-sized pile-up on 1828 to 1830 kHz. Found K3J (Johnston Island) on 1827.0 and quickly worked him. His signal was only me
/archives//html/Topband/2001-09/msg00054.html (6,841 bytes)

146. Fw: Re: Topband: Lightning Protection (score: 1)
Author: (
Date: Wed, 19 Sep 2001 09:15:28 -0700
"The pointed static dischargers mentioned in this discussion are used on almost every commercial and military aircraft in the world." == They were also in widespread use on aircraft back in the '50s
/archives//html/Topband/2001-09/msg00107.html (8,272 bytes)

147. Topband: Beverage current distribution (score: 1)
Author: (
Date: Mon, 24 Sep 2001 09:45:07 -0700
"Yesterday, I measured the current distribution on my 550 ft beverages. The near end/far end current ratio was 5 dB on 160m gradually increasing to 10 dB on 40m." == If properly teminated, The curren
/archives//html/Topband/2001-09/msg00133.html (8,661 bytes)

148. Topband: Dxcc4Win Version 1.0 (score: 1)
Author: (
Date: Thu, 9 Aug 2001 11:50:41 -0700
Hi Topbanders, Back in 1998 I searched the Web trying to find suitable software for keeping track of ARRL DXCC awards. A few were there, but none that were stand-alone or did the job the way I though
/archives//html/Topband/2001-08/msg00031.html (7,495 bytes)

149. Topband: DXCC for Windows Version 1.0 (score: 1)
Author: (
Date: Sat, 11 Aug 2001 07:51:06 -0700
Hi, Topbanders, My DXCC awards tracking software is now available for download from VA3CR's Web site at . The name of the installation package to
/archives//html/Topband/2001-08/msg00033.html (6,789 bytes)

150. Topband: Detecting Noise Sources (score: 1)
Author: (
Date: Fri, 25 May 2001 09:03:10 -0700
I noticed in their catalog that the new MFJ-852 portable power line noise meter can pinpoint faulty dimmers, electric fence arcs, sparking power equipment, neon signs, etc. It's a sensitive (0.3uV) s
/archives//html/Topband/2001-05/msg00056.html (7,473 bytes)

151. Topband: Re: [CQ-Contest] FT1000MP click reduction - CORRECTION (score: 1)
Author: (
Date: Fri, 25 May 2001 08:51:51 -0700
"C2148 is the correct capacitor to change. C2148 is a tiny .0047uF chip near T2018." == My schematic shows that C2148 is a .01uF capacitor. Is it possible that Yaesu changed this value from .0047uF o
/archives//html/Topband/2001-05/msg00057.html (7,105 bytes)

152. Topband: International DX Convention (score: 1)
Author: (
Date: Sat, 14 Apr 2001 20:41:29 -0700
The International DX Convention at Visalia, California is next weekend and I'm looking forward to the Topband DXers' dinner on Friday evening, April 20th. There are still a few seats available, so if
/archives//html/Topband/2001-04/msg00031.html (7,675 bytes)

153. Topband: 160 Antenna's Modeled (score: 1)
Author: (
Date: Wed, 18 Apr 2001 18:43:33 -0700
"I've been busy lately modeling a variety of 160 meter antenna's on EZNEC 3.0. For ground type I used real minimec and ground description (conductivity) medium, frequency 1850 kc. From what I underst
/archives//html/Topband/2001-04/msg00043.html (8,681 bytes)

154. Topband: 160 Antenna's Modeled (score: 1)
Author: (
Date: Thu, 19 Apr 2001 09:49:29 -0700
"If only 10% of the power is lost to ground, why are verticals over salt water so great? What phenomena is occurring?" == Moving the vertical from over "average" ground to over salt water increases i
/archives//html/Topband/2001-04/msg00045.html (7,747 bytes)

155. Topband: BOUNCE : Approval required: (score: 1)
Author: (
Date: Mon, 5 Mar 2001 07:09:53 -0800
"I am trying to figure out if an external pre-amp will offer any advantage when used with the flag antennas my friend Bob and I are going to install at the local club station." == Virtually all users
/archives//html/Topband/2001-03/msg00045.html (7,214 bytes)

156. Topband: BQ9P (score: 1)
Author: (
Date: Wed, 7 Mar 2001 20:09:37 -0800
I just talked to BQ9P (Pratas Island) on 15m SSB and they said they would be on 160m CW looking for North America from 1000Z to 1330Z. He didn't know what frequency they would use, but it will be CW.
/archives//html/Topband/2001-03/msg00057.html (7,081 bytes)

157. Topband: Visalia DX Convention (score: 1)
Author: (
Date: Fri, 9 Mar 2001 12:15:38 -0800
The International DX Convention in Visalia, CA is 20-22 April 2001 and this is an attempt to organize a Topband get-together there. It is proposed to have a dinner get-together on Friday evening (20
/archives//html/Topband/2001-03/msg00074.html (7,376 bytes)

158. Topband: superdirectivity (score: 1)
Author: (
Date: Fri, 23 Mar 2001 20:46:36 -0800
".... but i wonder whether a closer approximation (to superdirectivity, not supergain) is achievable with receive only antennas. short non-resonant antennas are entirely acceptable for receiving purp
/archives//html/Topband/2001-03/msg00127.html (8,257 bytes)

159. Topband: Yagi on RF excited towers (score: 1)
Author: (
Date: Thu, 29 Mar 2001 12:46:13 -0800
"The elements at the center of any yagi can be safely grounded to the boom through a choke wound from something like #16 or heavier wire. The choke should have an impedance several times the elements
/archives//html/Topband/2001-03/msg00159.html (7,381 bytes)

160. Topband: Stew Perry Contest (score: 1)
Author: (
Date: Mon, 1 Jan 2001 10:56:10 -0800
Unbelievably good receiving condx were prevalent at our salt lake bed portable QTH in the Stew Perry affair. We used a pair of 70-foot top-loaded phased verticals at Koehn Dry Lake in the Mojave Dese
/archives//html/Topband/2001-01/msg00008.html (7,387 bytes)

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