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Total 19 documents matching your query.

1. [TenTec] bill orr article (score: 1): Author: "Verne Smith" <vernew7grn@cascadeaccess.com>; Date: Thu, 29 Jan 2009 18:10:21 -0800; bill orr has a book on antennas in which he covered g5rv i believe it is available from arrl verne w7grn _______________________________________________ TenTec mailing list TenTec@contesting.com http; /archives//html/TenTec/2009-01/msg00416.html (7,191 bytes)
2. Re: [TenTec] bill orr article (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Thu, 29 Jan 2009 20:36:22 -0600; Do a Google search for G5RV. You'll find a bountiful amount of info. Lots of test data, construction techniques and design information. can put up, it's better than no antenna at all, but not much. T; /archives//html/TenTec/2009-01/msg00417.html (8,438 bytes)
3. Re: [TenTec] bill orr article (score: 1): Author: Scott Harwood <scotthsr@earthlink.net>; Date: Fri, 30 Jan 2009 06:51:57 -0500 (EST); The book is "The W6SAI Antenna Handbook" and is available from CQ Publications. It has great sections on updating the G5RV, off center fed antennas as well as much other interesting antenna data. Sco; /archives//html/TenTec/2009-01/msg00426.html (8,143 bytes)
4. Re: [TenTec] bill orr article (score: 1): Author: Bwana Bob <wb2vuf@gti.net>; Date: Fri, 30 Jan 2009 11:11:02 -0500; Yes, The G5RV is optimized only for 20 meters, where it is a 3/2 wavelength. The 30 feet of twin lead is a matching section cut for 20 meters. At the end of the twin lead on all other bands the swr w; /archives//html/TenTec/2009-01/msg00432.html (10,430 bytes)
5. Re: [TenTec] bill orr article (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Fri, 30 Jan 2009 11:07:38 -0600; Bob is correct on this and I fully agree. The G5RV works well for a wire antenna on 20M. As to other bands, it is compromised to a very compromised antenna. I know lots of hams have used one and thin; /archives//html/TenTec/2009-01/msg00435.html (14,850 bytes)
6. Re: [TenTec] bill orr article (score: 1): Author: "N4PY" <n4py@arrl.net>; Date: Fri, 30 Jan 2009 12:21:35 -0500; The G5RV was originally designed to provide a less than 3:1 SWR for 80, 40, 20, and 10 meters. This was fine at the time it was designed since all radios then had a tube final stage which allowed for; /archives//html/TenTec/2009-01/msg00436.html (17,253 bytes)
7. Re: [TenTec] bill orr article (score: 1): Author: "DAVID HELLER" <dtx@verizon.net>; Date: Fri, 30 Jan 2009 13:01:40 -0500; I've been using a G5RV as a temporary antenna, not very high and have been getting out adequately with the barefoot Omni 6; its real merit is the ability to work all the HF bands with a single wire.; /archives//html/TenTec/2009-01/msg00439.html (17,664 bytes)
8. Re: [TenTec] bill orr article (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Fri, 30 Jan 2009 12:52:38 -0600; The particular article requested talks only about the 3/2 wave antenna for 20m. It says little or nothing about use on other bands. Fact is (from that article) that there have been many G5RV designs; /archives//html/TenTec/2009-01/msg00441.html (9,691 bytes)
9. Re: [TenTec] bill orr article (score: 1): Author: John Graves <jh.graves@verizon.net>; Date: Fri, 30 Jan 2009 13:54:34 -0500; I know, I know. The G5RV has problems on some if not most bands, but it has a very nice pattern on 20. My current antenna is a Cushcraft R7. It works ok and will work better when I get it higher. But; /archives//html/TenTec/2009-01/msg00442.html (19,995 bytes)
10. Re: [TenTec] bill orr article (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Fri, 30 Jan 2009 18:11:18 -0600; Something I have suggested to many is to add a sloping 15 meter dipole, (2 ea 11 foot wires) to the feedpoint of their G5RV. That should give you a better match on 15 m while leaving the other bands; /archives//html/TenTec/2009-01/msg00451.html (8,631 bytes)
11. Re: [TenTec] bill orr article (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Fri, 30 Jan 2009 18:26:18 -0600; Bob McGraw makes good points on using a dipole fed with parallel (balanced) line. This will work for twin lead or for either the open wire line, or coated ladder line. I successfully use some pipe in; /archives//html/TenTec/2009-01/msg00453.html (9,502 bytes)
12. Re: [TenTec] bill orr article (score: 1): Author: Bwana Bob <wb2vuf@gti.net>; Date: Sun, 01 Feb 2009 15:18:20 -0500; If bringing twin lead, either ladder or window type, into the shack is an issue, it is possible to mount a 1:1 balun just outside and run coax into the building. The swr on the coax will be high, dep; /archives//html/TenTec/2009-02/msg00014.html (16,203 bytes)
13. Re: [TenTec] bill orr article (score: 1): Author: Ken Brown <ken.d.brown@hawaiiantel.net>; Date: Sun, 01 Feb 2009 10:39:01 -1000; Yes you can do this and it will work. What will the loss through the balun be when the load is highly reactive? Probably greater than the loss through the same balun when the feed line appears as a; /archives//html/TenTec/2009-02/msg00017.html (8,586 bytes)
14. Re: [TenTec] bill orr article (score: 1): Author: <waltk8cv4612amos@att.net>; Date: Sun, 1 Feb 2009 15:56:50 -0500; Open wire through GLASS ........... now there's an OXYMORON :-) Get tape and a carbide tipped drill bit ! I used 1/ 16 I think. Water on the bit and drill the tape marked spot on the glass at about t; /archives//html/TenTec/2009-02/msg00020.html (10,329 bytes)
15. Re: [TenTec] bill orr article (score: 1): Author: "Bob Close" <rclose@nhwisp.com>; Date: Sun, 1 Feb 2009 16:31:52 -0500; Drilling through a window--wow, you are a pretty confident person! I took a different approach, where I drilled two 5/8 holes through the side of the house at the same approximate spacing being caref; /archives//html/TenTec/2009-02/msg00023.html (12,770 bytes)
16. Re: [TenTec] bill orr article (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Sun, 01 Feb 2009 16:35:11 -0600; I've read of an easier way to make the holes. Get a BB and a drinking straw. And its probably a good idea to wear safety glasses. Load the BB into the straw, put the straw against the glass where a h; /archives//html/TenTec/2009-02/msg00027.html (9,578 bytes)
17. Re: [TenTec] bill orr article (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Sun, 01 Feb 2009 16:42:13 -0600; Since you are tuning the balanced line, the impedance bump isn't even a theoretical problem, you just tune for the match and don't care what the feedline did. In the life of my long centerfed wire, I; /archives//html/TenTec/2009-02/msg00028.html (10,200 bytes)
18. Re: [TenTec] bill orr article (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Sun, 1 Feb 2009 23:37:44 -0600; That will work, but will always be somewhat of a compromise. One must consider the rating of the balun and subsequent loss. 73 Bob, K4TAX _______________________________________________ TenTec mailin; /archives//html/TenTec/2009-02/msg00033.html (18,646 bytes)
19. Re: [TenTec] bill orr article (score: 1): Author: "Jim M." <jmiller1706@cfl.rr.com>; Date: Mon, 2 Feb 2009 03:41:39 -0500; An OCF (Off Center Fed) antenna works much better. Feed with coax. Low SWR on all bands. Good reports. I'm using one. Jim N4BE http://hamcall.net/7bandocf.html That will work, but will always be some; /archives//html/TenTec/2009-02/msg00036.html (19,338 bytes)

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