Mail Archive Search: <+from:bill>

Results:

References: [ +from:bill: 2775 ]

Total 2775 documents matching your query.

241. Topband: auroral zone and pmaps (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sat, 29 Dec 2001 03:44:54 +0000; That's not what NOAA says about the plots Carl... http://www.sec.noaa.gov/pmap/UsePlots.html "How These Patterns Can Be Used When displayed in geographic coordinates, the statistical patterns of auro; /archives//html/Topband/2001-12/msg00163.html (7,986 bytes)
242. Topband: Auroral Zone And PMAPS (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sat, 29 Dec 2001 11:57:19 +0000; KN4LF: The pmap plots are not "visible aurora". They are measurements of energy levels in the auroral zone which can affect signals at all frequencies and at all times. The auroral zones are always t; /archives//html/Topband/2001-12/msg00168.html (7,705 bytes)
243. Topband: RFI from router/switch (score: 1): Author: Bill@aa6tt.com (William Hein, AA6TT); Date: 1 Nov 2001 13:53:58 -0800; I have tracked down broadband RFI problem (S9 on 160m, S7 on 80m) to a Linksys BEFSR81 EtherFast Cable/DSL Router & 8-port Ethernet switch that I recently purchased to allow multiple computers to acc; /archives//html/Topband/2001-11/msg00002.html (7,006 bytes)
244. Topband: Fishing Boat Intruders (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sat, 03 Nov 2001 12:09:23 +0000; Hi All! I just noticed the following on the packetcluster: K1GUN 1825.0 FISHERMEN on 1.825??? 2232 02 Nov and the following from FCC enforcement letters of October 6: http://www.arrl.org/news/enforce; /archives//html/Topband/2001-11/msg00014.html (8,729 bytes)
245. Topband: 6 November Light Show (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 06 Nov 2001 20:22:12 +0000; Last night we had one of the most spectacular auroras of this solar cycle! At approximately 0153, the X1 Coronal Mass Ejection of 4 November hit the Earth's ionosphere and began an incredible aurora; /archives//html/Topband/2001-11/msg00025.html (8,257 bytes)
246. Topband: Delta loop antenna (score: 1): Author: k3ky@erols.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Sat, 10 Nov 2001 15:23:02 +0000; I like the delta loop a lot better than the dipole- but why not select the feed point for vertical polarization? You should get better results if your intention is to DX with it. W8JI has a dipole at; /archives//html/Topband/2001-11/msg00036.html (8,482 bytes)
247. Topband: Delta Loop (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 11 Nov 2001 11:51:12 +0000; I put up what I call a squashed delta loop in Colorado in 1994 and it worked just fantastic. I put the base of the antenna 10 feet above ground, and the apex at 100 feet above ground. Using the formu; /archives//html/Topband/2001-11/msg00039.html (9,085 bytes)
248. Topband: Delta Loop (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 11 Nov 2001 16:29:20 +0000; efficiency. I agree completely...but that does not mean an elevated GP or a Delta loop will not work. Improving the ground under any vertically polarized antenna is ALWAYS a good idea. A Delta loop c; /archives//html/Topband/2001-11/msg00042.html (7,976 bytes)
249. Topband: 160 meter antennas (score: 1): Author: k3ky@erols.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Mon, 12 Nov 2001 13:56:24 +0000; I had a similar experience with a "U"-type antenna on 160m, one big difference being that the horizontal length of mine was 140ft instead of 100ft. At one time, I had an 80m half square up- about 68-; /archives//html/Topband/2001-11/msg00048.html (8,864 bytes)
250. Topband: Help Tracking Noise Near Atlanta (score: 1): Author: w4an@contesting.com (Bill Fisher W4AN); Date: Fri, 16 Nov 2001 11:07:23 -0500 (EST); Need help tracking a new noise that has popped up near Atlanta. If you are near Atlanta and have fairly directive receive antennas, could you please see if you can hear the noise and report direction; /archives//html/Topband/2001-11/msg00060.html (6,721 bytes)
251. Topband: 2003 CQ 160 Change Coming (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 20 Nov 2001 17:32:57 +0000; Good news from the CQ 160 Committee: "Starting with 2003 the CQ 160 Contests will be changed to 48-hour contests to conform with most other worldwide contests. The starting time will be 0000Z on Satu; /archives//html/Topband/2001-11/msg00071.html (7,049 bytes)
252. Topband: Re: [CQ-Contest] 2003 CQ 160 Change Coming (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Wed, 21 Nov 2001 10:56:19 +0000; <The proposal laid out by W4ZV means that the contest doesn't start for us on the east coast until 2 hours after sunset (8 hours for Europeans) and it means that we now have to operate single band co; /archives//html/Topband/2001-11/msg00078.html (7,976 bytes)
253. Topband: JT Path - Too Much Darkness for LP? (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Wed, 21 Nov 2001 13:10:09 +0000; We discussed long paths to death in September so I'm not going to repeat myself...see the following for more info: http://lists.contesting.com/pipermail/topband/2001-September/013347.html http://list; /archives//html/Topband/2001-11/msg00082.html (9,090 bytes)
254. Topband: Reactance and Resonance (score: 1): Author: wpgerhold@longo-ind.com (Bill Gerhold); Date: Wed, 21 Nov 2001 10:37:41 -0500; My MFJ-259b antenna analyzer tells me my 132 foot 160 meter vertical's SWR is 1.4:1 at 1.890 mhz. When tuning for "Resonance", (zero reactance), the displayed frequency is 1.840mhz. SWR at 1.840 mhz; /archives//html/Topband/2001-11/msg00084.html (7,197 bytes)
255. Topband: Friday 23 November 1045z - 1121z (score: 1): Author: K1ZM@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Fri, 23 Nov 2001 12:37:04 +0000; Hi All! I thought this was so intesting I'm forwarding it to the reflector. I also heard W1JZ and W1ZC calling around 1115 UTC so the Northeast clearly had a good LP opening today. Last night I menti; /archives//html/Topband/2001-11/msg00094.html (8,669 bytes)
256. Topband: ZD9IR (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Mon, 01 Oct 2001 11:24:44 +0100; From today's issue of The Daily DX...I'm sure Chris will do an excellent job on 160 since he is a long-time Topbander: "ZD9IR is the call for Chris Burger, better known as ZS6EZ, for the next 12-13 m; /archives//html/Topband/2001-10/msg00002.html (6,232 bytes)
257. Topband: FCC Inquiries Focus on 160-Meter Band Plan (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Thu, 04 Oct 2001 15:39:16 +0100; Note that ARRL's current 160 Bandplan approved by their Board of Directors in July is for narrowband modes only below 1843 instead of below 1830 as stated in this release...I presume ARRL will correc; /archives//html/Topband/2001-10/msg00017.html (8,921 bytes)
258. Topband: t32 (score: 1): Author: W7lr@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Sun, 07 Oct 2001 22:20:58 +0100; FB on N0AH report. I usually hear well, with s1 noise level. For an hour and a half before our sunrise at 1330z until after sunrise I could not hear a whisper of the T32, with rf and af gains optimum; /archives//html/Topband/2001-10/msg00038.html (6,903 bytes)
259. Topband: Elevating radials (score: 1): Author: Billg@warwick.net (Bill Gerhold); Date: Wed, 10 Oct 2001 20:09:45 -0400; I used elevated radials on an elevated (3 foot off the ground) 80 meter vertical. I ran the radials at a 45 degree angle from the base of the vertical up to a 10 foot height and then horizontal from; /archives//html/Topband/2001-10/msg00080.html (8,480 bytes)
260. Topband: Verticals and Radials (score: 1): Author: Billg@warwick.net (Bill Gerhold); Date: Mon, 15 Oct 2001 15:09:54 -0400; What would be the radiation pattern of a vertical with ground radials in a 180 degree arc. That is, 60 radials on only (1) side of the vertical with no radials and average ground in the other 180 deg; /archives//html/Topband/2001-10/msg00111.html (6,847 bytes)

Current List: 241 - 260
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]