Mail Archive Search: <+from:w8ji@contesting.com>

Results:

References: [ +from:w8ji@contesting.com: 1348 ]

Total 1348 documents matching your query.

201. Topband: RE: dedicated topband transceiver (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 18 Jan 2002 11:18:09 -0500; Hi Doug, Generally very selective filters have group delay problems, where the time for a signal to pass through the filter is different for different frequencies. The effect of that is "ringing" or; /archives//html/Topband/2002-01/msg00137.html (9,441 bytes)
202. Topband: Re: SV: [TowerTalk] Copperweld radials--note (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 20 Jan 2002 18:02:11 -0500; Just use solid bare copper. There are hundreds of radio stations using radials from the 1920' and 1930's, and those radials are in good shape today. We dug some up at WSPD, they were installed in th; /archives//html/Topband/2002-01/msg00152.html (7,475 bytes)
203. Topband: CHEAP BEVERAGE ANTENNA SUPPORTS (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 21 Jan 2002 15:55:41 -0500; I just use plain old 1/2" thin wall steel conduit, with a snug-fitting short length of PVC forced over the top. You can slot the PVC with a hacksaw. I drive a short piece of 3/4" metal conduit in th; /archives//html/Topband/2002-01/msg00164.html (7,601 bytes)
204. Topband: VP8THU (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 21 Jan 2002 16:16:22 -0500; Well I had my hopes up last night, having heard something ESP level coming back to my CQ's after someone spotted that the VP8 was on "1842 now" according to a 20 meter operator. I could hear a stati; /archives//html/Topband/2002-01/msg00166.html (7,521 bytes)
205. Topband: bandplan (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 23 Jan 2002 10:01:44 -0500; I just filed electronic comments for RM-10352 at the FCC web site. This may be our only chance at this fellows! In another 5-7 years when sunspots are way down and the MUF drops way down, the band wi; /archives//html/Topband/2002-01/msg00173.html (8,187 bytes)
206. Topband: Split band DX (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 23 Jan 2002 10:33:02 -0500; Darn, and I was calling him on 144,033! No wonder he couldn't hear me. I must have not paid attention to the QSX because I was busy putting dots in my 18MHz QSL's ! Seriously though, it is good to h; /archives//html/Topband/2002-01/msg00174.html (6,918 bytes)
207. Topband: Re: rm-10352 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 23 Jan 2002 19:39:35 -0500; Hi Pat, Officials at the FCC have clearly stated they will ignore any request they deem to be a special interest request. This was repeated to me directly by the head of the rules branch within the l; /archives//html/Topband/2002-01/msg00181.html (7,541 bytes)
208. Topband: Re: [1000mp] FT-1000MP Key Clicks (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 24 Jan 2002 09:24:31 -0500; While much better than the clicky ~2.5kHz wide stock FT1000 series of rigs, it certainly could be much better. Just remember even with that mod if you are strong you will have to stay at least one k; /archives//html/Topband/2002-01/msg00190.html (7,356 bytes)
209. Topband: Re: One way propogation or QRM? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 29 Jan 2002 11:57:32 -0500; Many times the band peaks far off sunrise or sunset, and goes downhill. Never wait or depend on the sunrise/sunset peak! For example, there are many days when the path to VK peaks neither at their su; /archives//html/Topband/2002-01/msg00245.html (8,175 bytes)
210. Topband: 160 One Way Propagation (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 29 Jan 2002 20:54:24 -0500; Who has heard that phenomena in some manner that strongly indicates it happens? Certainly I haven't! I think what you are really trying to say is there must be adequate field strength at angles lowe; /archives//html/Topband/2002-01/msg00252.html (8,800 bytes)
211. Topband: Re: One way propogation or QRM? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 30 Jan 2002 08:59:48 -0500; You sure brought up a good point Rick!! I'm sure others experience this also. The most frustrating thing is when someone calls and gives up before I have time to find the "good antenna"! It may take; /archives//html/Topband/2002-01/msg00262.html (8,340 bytes)
212. Topband: 46 radials now on vertical/FT1000MP S/N observation (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 2 Dec 2001 18:44:12 -0500; Hi Ken, The overall selectivity of a receiving system determines the noise window, not the front end gain. The only exception is when overloading and clipping in stages with noise, which would be dev; /archives//html/Topband/2001-12/msg00003.html (9,051 bytes)
213. Topband: TS2000 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 2 Dec 2001 19:12:38 -0500; I'd look at the ARRL site in the reviews, and look at the close spaced receiver numbers and transmitter performance! Ignore the words, and look at the numbers. Both the RSGB and ARRL have tested the; /archives//html/Topband/2001-12/msg00004.html (7,879 bytes)
214. Topband: BC spurs (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 9 Dec 2001 22:18:26 -0500; There are two distinct BC spurs on 1818 or so now. One is a "spitting" only on modulation peaks, it is very wide, and centers on 1817 or so. I've tracked that down to WABB in Mobile Alabama so I have; /archives//html/Topband/2001-12/msg00032.html (7,349 bytes)
215. Topband: matching audio of Spur (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 9 Dec 2001 22:28:01 -0500; I see the DX cluster is flooded with stations hearing that spur, from coast to coast! If anyone can put a good AM radio in one ear, and keep the other ear on the spur and slowly tune down through the; /archives//html/Topband/2001-12/msg00033.html (6,693 bytes)
216. Topband: 1819 Spur (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 11 Dec 2001 11:14:23 -0500; Thanks for all the help to everyone. The spur on 1819 is gone for now, hopefully permanently. Now we have three NDB's in the SE USA and two more BC stations to go, all were reported in he past few da; /archives//html/Topband/2001-12/msg00042.html (7,087 bytes)
217. Topband: Heard from MO (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 22 Dec 2001 14:07:10 -0500; Mike probably didn't stick around because he was complaining, as was VK3ZL, about poor conditions with very high static. The way I feel about something being "my frequency" is probably how most peop; /archives//html/Topband/2001-12/msg00092.html (7,056 bytes)
218. Topband: condx - more (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 28 Dec 2001 15:39:24 -0500; It would be interesting to see, in non-jargon English, a description of (or debate about) what people who study the ionosphere think is going on. A back and forth exchange in some moderated forum wou; /archives//html/Topband/2001-12/msg00143.html (7,833 bytes)
219. Topband: A word from the master W1BB (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 1 Nov 2001 22:46:58 -0500; Hi Steve, We have to be careful with models because they treat the earth as a homogeneous media, rather that what it really is. I'd rely more on actual measurements than models if the wires are close; /archives//html/Topband/2001-11/msg00005.html (7,827 bytes)
220. Topband: "Noise zone" (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 9 Nov 2001 09:00:51 -0500; Noise is just like any other electromagnetic signal, except it is generated by unintentional "transmitters" and radiated by unintentional "antennas". It doesn't hug the earth any more than our inten; /archives//html/Topband/2001-11/msg00034.html (6,976 bytes)

Current List: 201 - 220
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]