Mail Archive Search: <+from:btippett@alum.MIT.edu>

Results:

References: [ +from:btippett@alum.MIT.edu: 1166 ]

Total 1166 documents matching your query.

21. Topband: Source of terminator resistors for EWE's? (score: 1): Author: n0tt1@juno.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Wed, 30 Oct 2002 06:03:47 -0500; Hi Eric, I used the rugged Allen Bradley "2-watt" linear taper pots for my phased EWE's....never have had a problem with burned-out pots. One can use fixed 1-watt "real" carbon resistors (not carbon; /archives//html/Topband/2002-10/msg00161.html (7,882 bytes)
22. Topband: ya5t on 160m (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 03 Sep 2002 06:09:14 -0400; Am currently active on 10-80m. Robert S53R is arriving here in 12 days. We'll then put up an inv-L for 160, and try to be as much active as possible, work permitting. 100W only, no possibility for rx; /archives//html/Topband/2002-09/msg00022.html (6,572 bytes)
23. Topband: 2001 ARRL DXCC Yearbook - 160 Results (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Fri, 20 Sep 2002 16:55:26 -0400; Official ARRL results for the year ending September 30, 2001 are available at: http://www.arrl.org/awards/dxcc/listings/2001-annual-list.pdf. ...160 listings are on pages 56-58. This is the same data; /archives//html/Topband/2002-09/msg00149.html (6,645 bytes)
24. Topband: Inverted Ground Plane (score: 1): Author: k3ky@erols.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Wed, 25 Sep 2002 13:57:27 -0400; Hi, JayThis sounds like a variant of the 30-30, popular on 40 meters in the early part of the 20th century. They ran a wire 30 feet vertically and then another 30 feet horizontally, and fed it agains; /archives//html/Topband/2002-09/msg00181.html (9,839 bytes)
25. Topband: Bi-directional prop (score: 1): Author: K3BU@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Thu, 26 Sep 2002 21:41:32 -0400; stronger than what I am hearing on my end. My noise floor is near S0 when the local power lines are not arching over. Path to Panama were consistant with the reciprocity principle. Polar paths were m; /archives//html/Topband/2002-09/msg00192.html (8,727 bytes)
26. Topband: Radials around house (score: 1): Author: kb9cry@attbi.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Fri, 27 Sep 2002 18:18:56 -0400; Just go around and/or end them at the house. I also shunt fed my tower which is about 70 ft from the house and that's what I'll do. I'll just end them there. I followed Jeff Briggs, K1ZM's design and; /archives//html/Topband/2002-09/msg00201.html (7,539 bytes)
27. Topband: Topband DXing in Summertime from Ethiopia (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 29 Sep 2002 16:07:50 -0400; There's a very nice article by Paul ET3PMW about his recent 160 activity at: http://www.eham.net/articles/3846 73, Bill W4ZV; /archives//html/Topband/2002-09/msg00220.html (6,643 bytes)
28. Topband: Collins R390 and 75A4 on 160m (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sat, 03 Aug 2002 07:06:08 +0100; The referenced page from Sherwood Engineering has comparisons of several vintage receivers including the R390 but unfortunately not the 75A4. Since the R390 was a military receiver and the 75A4 was s; /archives//html/Topband/2002-08/msg00014.html (8,635 bytes)
29. Topband: Collins R390 and 75A4 on 160m (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sat, 03 Aug 2002 07:14:47 +0100; Oops, I forgot to show the R390 Blocking Dynamic Range of 130 dB. It is meaningless anyway since the measurement was done at 100 kHz spacing compared to 5 kHz for the ARRL data. 73, Bill W4ZV; /archives//html/Topband/2002-08/msg00015.html (7,084 bytes)
30. Topband: 2002 CQ 160 High-Claimed Scores (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 04 Aug 2002 10:38:39 +0100; The following info is from Dave K4JRB: The 2002 CQ 160 CW and SSB High-Claimed Scores are now available on the CQ Magazine web page at: http://cq-amateur-radio.com/160%20Meter%20link.html and may be; /archives//html/Topband/2002-08/msg00024.html (6,701 bytes)
31. Topband: Bamboozled (by DU9/N0NM) (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 06 Aug 2002 17:49:30 -0400; Here's a great article (including photos) by Jon DU9/N0NM: http://www.arrl.org/news/features/2002/08/05/1/?nc=1 It describes his experiences in putting up his 42 foot tower made of bamboo! Since many; /archives//html/Topband/2002-08/msg00028.html (7,073 bytes)
32. Topband: TopBand Mailing List Users (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Wed, 14 Aug 2002 14:37:17 -0400; KN4LF: W5USM: FAITHFULLY administered THE PREMIERE reflector in ham radio. Hi All! In fact, freedom of speech is not now and never will be an objective of this reflector. I follow our reflector guide; /archives//html/Topband/2002-08/msg00036.html (9,438 bytes)
33. Topband: ICE 186A (score: 1): Author: kb9cry@attbi.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Wed, 21 Aug 2002 12:27:39 -0400; Correcto Mundo! I have one and it works like a champ. Has 6 receive ant. inputs and has auto xmit sensing to switch back to the transmit antenna. I hook up my beverages, EWEs, and future rotatable de; /archives//html/Topband/2002-08/msg00058.html (6,573 bytes)
34. Topband: Silent Feedline for RX antennas (score: 1): Author: k3ky@erols.com (by way of Bill Tippett <btippett@alum.mit.edu>); Date: Mon, 26 Aug 2002 16:29:42 -0400; Tom casts doubt on the value of converting from unbalanced to balanced feedline in real world situations. My suggestion: while you still have those trenches open, install *conduit*. Probably some lar; /archives//html/Topband/2002-08/msg00095.html (8,262 bytes)
35. Topband: ET3PMW's Operating Schedule (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Fri, 05 Jul 2002 21:34:28 +0100; QSL via W7KEU. Webpage at http://users.vnet.net/btippett/et3pmw.htm 73, Bill W4ZV; /archives//html/Topband/2002-07/msg00042.html (6,530 bytes)
36. Topband: DX-AID (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 07 Jul 2002 22:55:57 +0100; I believe DX-Aid is only available from Peter Oldfield who can be contacted at poldfield@proxymedia.net . 73, Bill W4ZV; /archives//html/Topband/2002-07/msg00046.html (6,278 bytes)
37. Topband: ET3PMW Summary (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Mon, 08 Jul 2002 15:51:06 +0100; P.S. Webpage at http://users.vnet.net/btippett/et3pmw.htm is now current. QSL via W7KEU.; /archives//html/Topband/2002-07/msg00047.html (7,812 bytes)
38. Topband: Fresh vs Salt Water Ground Conductivity (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 16 Jul 2002 21:34:24 +0100; salted or pure, so for RF purposes, a freshwater marsh conducts as well as a saltwater marsh. Rich, you are mixing dielectric constant with conductivity. Conductivity is the key parameter and there i; /archives//html/Topband/2002-07/msg00111.html (7,489 bytes)
39. Topband: ET3PMW Update (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Sun, 02 Jun 2002 11:22:18 +0100; Paul continues to amaze me with his activity very late in the season! He is now up to 105 Q's in the log on 160 and 24 countries, and most of that was done with only 100 watts! He does have the AL-84; /archives//html/Topband/2002-06/msg00004.html (7,420 bytes)
40. Topband: ET3PMW at 1600 and before 1830 (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 04 Jun 2002 15:38:38 +0100; (Note...contesting.com reflectors have apparently been down since sometime Sunday...if you posted something that did not appear, please try again...this is my 3rd try for this one!) Paul continues to; /archives//html/Topband/2002-06/msg00005.html (7,873 bytes)

Current List: 21 - 40
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]