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Total 1033 documents matching your query.

1. Re: Topband: Better F Connectors (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Mon, 31 Jan 2011 18:13:10 -0600
What I'm having trouble finding is top quality F chassis mount connectors. Any one have a source? 73 Mike www.w0btu.com _______________________________________________ UR RST IS ... ... ..9 QSB QSB -
/archives//html/Topband/2011-01/msg00169.html (7,249 bytes)

2. Re: Topband: Top Band Receiving Antennas (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sat, 26 Feb 2011 11:16:41 -0600
Hi Carl, A *good* array of short verticals is generally a better receive antenna than any Beverage. However, the Beverage is much less critical to build. I have a page about Beverage antennas I'm wor
/archives//html/Topband/2011-02/msg00182.html (8,088 bytes)

3. Topband: Need EZNEC file for 1/4 wave 160 vertical with radial system (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Thu, 10 Mar 2011 02:45:42 -0600
Rather than re-invent the wheel, and since I'm an EZNEC newbie who knows just enough about modeling to be dangerous, I'd like to find a good .ez file for a 120' vertical with a good radial system. Th
/archives//html/Topband/2011-03/msg00038.html (7,084 bytes)

4. Re: Topband: Need EZNEC file for 1/4 wave 160 vertical with radial system (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Fri, 11 Mar 2011 09:39:29 -0600
I've received several .ez files. Thanks to everyone who has responded! :-) 73, Mike www.w0btu.com _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
/archives//html/Topband/2011-03/msg00043.html (7,828 bytes)

5. Re: Topband: beverage antennas (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Thu, 17 Mar 2011 19:17:42 -0500
Hello Fred, Absolutely you can! Earl, K6SE (SK) swore by it. I have two bi-directional Beverages made from that stuff, which are described in detail at http://www.w0btu.com/Beverage_antennas.html. 73
/archives//html/Topband/2011-03/msg00062.html (6,898 bytes)

6. Re: Topband: CAT5 cable as feeder for reversable Beverage (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sat, 16 Apr 2011 10:04:59 -0500
the primary consideration is probably what Herb noted about I fully agree. I have a 300'+ outdoor run of CAT6 on my LAN. The portion which is not in conduit is seriously deteriorating from the sun's
/archives//html/Topband/2011-04/msg00035.html (9,114 bytes)

7. Re: Topband: MFJ-259B (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Tue, 19 Apr 2011 00:00:50 -0500
Bruce, here are the calibration instructions from the guy who designed it for MFJ. http://www.w8ji.com/mfj-259b_calibration.htm 73 Mike www.w0btu.com _______________________________________________ U
/archives//html/Topband/2011-04/msg00044.html (7,251 bytes)

8. Re: Topband: beverage antennas (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Tue, 19 Apr 2011 00:43:07 -0500
You weren't kidding! I've used the Beverage mainly for listening on 160 and below, but on 40 meters, WOW! Thanks for lighting a fire under me. I just built a 40 meter ground plane I designed in EZNEC
/archives//html/Topband/2011-04/msg00045.html (7,049 bytes)

9. Re: Topband: What are folks using for a T/R relay in the shack, to switch between beverage and xmit antennas? (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Thu, 21 Apr 2011 11:20:43 -0500
Mark, there's no need for a TR relay to switch between a Beverage and your TX antenna. I just connect my TX antenna to the SO-239 RF OUTPUT receptacle, but the Beverages to the RCA phono RX ANT INPUT
/archives//html/Topband/2011-04/msg00063.html (9,036 bytes)

10. Re: Topband: Weatherproof enclosures? (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sat, 23 Apr 2011 11:49:05 -0500
I also use Hammond polycarbonate enclosures, and highly recommend them! The gasketed lids are available in clear, smoke (presently from Newark only), and opaque. They come in many sizes. I have been
/archives//html/Topband/2011-04/msg00096.html (8,319 bytes)

11. Re: Topband: Weatherproof enclosures? (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sun, 24 Apr 2011 12:46:25 -0500
The plastic bottles that have been suggested here seem like a great idea. However, for some of my Beverage antenna feedpoint enclosures, they would not be suitable. Since I use non-hermetically-seale
/archives//html/Topband/2011-04/msg00113.html (9,663 bytes)

12. Re: Topband: 160m vertical with "top loading" (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sun, 24 Apr 2011 13:54:18 -0500
This is absolutely true, and thoroughly proven and documented. Unless one's circumstances are very unusual, nothing except top loading should even be considered. 73 Mike www.w0btu.com ______________
/archives//html/Topband/2011-04/msg00114.html (8,828 bytes)

13. Re: Topband: TDR and beverages (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Thu, 19 May 2011 18:47:19 -0500
WOW! This sure got my attention. I have a Tektronix 465B and two bi-directional Beverages. The thought of using it as a TDR is exciting. Can you provide any more details of what you've done (like swe
/archives//html/Topband/2011-05/msg00062.html (7,938 bytes)

14. Re: Topband: Steeply Sloping Ground (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Thu, 28 Jul 2011 18:42:47 -0500
Hello Charlie, I think you will find that longer Beverages on a hill, even with ups and downs, will surprise you with their outstanding performance. You say you tried some short Beverages. Can you pu
/archives//html/Topband/2011-07/msg00037.html (8,741 bytes)

15. Re: Topband: Beverage question final (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sun, 31 Jul 2011 16:10:51 -0500
Hello Andrew, There's more than one way to switch directions. My Beverage antenna page completely explains it all. http://www.w0btu.com/Beverage_antennas.html Hope this helps. 73 Mike www.w0btu.com _
/archives//html/Topband/2011-08/msg00000.html (6,709 bytes)

16. Re: Topband: Bi-Directional Beverage Question (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Wed, 10 Aug 2011 03:57:23 -0500
So other than phasing two Beverages, has anyone found a reason why DX Engineering does this? 73, Mike http://www.w0btu.com/Beverage_antennas.html _______________________________________________ UR RS
/archives//html/Topband/2011-08/msg00009.html (8,046 bytes)

17. Re: Topband: Bi-Directional Beverage Question - DXE Polarity (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Fri, 12 Aug 2011 07:50:58 -0500
I'll bet they don't put a DC control voltage on it. But I'm also assuming. On the other hand, a DC control voltage could be very useful to switch a separate run of open-wire line in and out of the ci
/archives//html/Topband/2011-08/msg00015.html (9,624 bytes)

18. Re: Topband: New entry to TopBand with antenna question (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Mon, 5 Sep 2011 11:57:31 -0500
Welcome to the Topband. I don't operate as much as most people here do (I have a soldering iron in my hand far more than a key or mic), but I've found it true that you need: 1. A vertical antenna for
/archives//html/Topband/2011-09/msg00027.html (8,225 bytes)

19. Re: Topband: Effect of current max not at base of vertical. (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sat, 17 Sep 2011 17:38:09 -0500
Guy, I'm not saying that I understand this 100%, but I certainly do find it fascinating. I have a question, though. For quite some time, my understanding has been that by making a bottom-fed vertical
/archives//html/Topband/2011-09/msg00092.html (8,870 bytes)

20. Re: Topband: PL 259 for RG6 (score: 1)
Author: Mike Waters <mikewate@gmail.com>
Date: Sun, 9 Oct 2011 19:15:43 -0500
I know several Topbanders--and others--that are using inexpensive 75-ohm aluminum shield CATV-style 'RG-6', even running the legal limit through it. It is actually quite low loss. I regularly run 700
/archives//html/Topband/2011-10/msg00053.html (8,376 bytes)


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