- 1. [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "Jim Lux" <jimlux@earthlink.net>
- Date: Sat, 29 Jan 2005 12:15:36 -0800
- Looking at "off the shelf" multiband HF vertical antennas (i.e. R8, 6BTV, etc.).. Are there any significant(! (>1dB)) radiation efficiency differences between them that wouldn't be swamped by such in
- /archives//html/Towertalk/2005-01/msg01211.html (7,652 bytes)
- 2. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Jamesnf@aol.com
- Date: Sat, 29 Jan 2005 16:04:43 EST
- No. I have both the R8 and 6BTV. Both are good performers. The R8 is more of a mechanical challenge to put up and keep up. The 6BTV is very ground dependent requiring a radial field if ground mounted
- /archives//html/Towertalk/2005-01/msg01218.html (7,435 bytes)
- 3. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Charlie <ad5th@direcway.com>
- Date: Sat, 29 Jan 2005 15:34:14 -0600
- I was in the same sort of quandary some months back that is, in choosing a multi-band vertical. I happened along to www.dxengineering.com where the 4-5-6BTV Hustlers are revered. I purchased a 5-BTV
- /archives//html/Towertalk/2005-01/msg01220.html (9,766 bytes)
- 4. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: doc <kd4e@verizon.net>
- Date: Sat, 29 Jan 2005 17:05:05 -0500
- Charlie wrote: I was in the same sort of quandary some months back that is, in choosing a multi-band vertical. I happened along to www.dxengineering.com where the 4-5-6BTV Hustlers are revered. I pur
- /archives//html/Towertalk/2005-01/msg01221.html (9,368 bytes)
- 5. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Charlie <ad5th@direcway.com>
- Date: Sat, 29 Jan 2005 17:18:38 -0600
- Once the tuning is done the benefit of the tilt-over is during high wind advisories and for any possible repairs and periodic inspections. Also if I want to add another trap for 6-BTV I can do so eas
- /archives//html/Towertalk/2005-01/msg01228.html (11,222 bytes)
- 6. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: doc <kd4e@verizon.net>
- Date: Sat, 29 Jan 2005 18:40:49 -0500
- Charlie wrote: Once the tuning is done the benefit of the tilt-over is during high wind advisories and for any possible repairs and periodic inspections. Also if I want to add another trap for 6-BTV
- /archives//html/Towertalk/2005-01/msg01229.html (9,157 bytes)
- 7. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "Jim Lux" <jimlux@earthlink.net>
- Date: Sat, 29 Jan 2005 16:29:52 -0800
- There was a post this morning(?) about fabricating a motorized tiltover mount for verticals to hide it from the pitchfork wielding and flaming torch carrying mobs. ___________________________________
- /archives//html/Towertalk/2005-01/msg01233.html (8,513 bytes)
- 8. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Bob Nielsen <nielsen@oz.net>
- Date: Sat, 29 Jan 2005 17:14:50 -0800
- There are certainly differences in the way they are fed. The 6BTV is bottom fed with radials, while the R8 has a choke balun and matching transformer (see <http://www.iol.ie/~bravo/r7_vertical.htm> f
- /archives//html/Towertalk/2005-01/msg01238.html (9,235 bytes)
- 9. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "K8RI on Tower Talk" <k8ri-tower@charter.net>
- Date: Sat, 29 Jan 2005 20:56:53 -0500
- Presumably there are mechanical differences in hardware, etc., but what I'm really looking for is any noticeable "power sucking loads" that are inherent in the design (sure, our vertical has a 2:1 SW
- /archives//html/Towertalk/2005-01/msg01239.html (11,125 bytes)
- 10. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Charlie <ad5th@direcway.com>
- Date: Sat, 29 Jan 2005 20:13:38 -0600
- Bob thanks for the reference to the vertical report but the only download I can find for it is $17.00. What's with that? Charlie Ham Radio - AD5TH www.ad5th.com Live Blues Music www.492acousticblues.
- /archives//html/Towertalk/2005-01/msg01241.html (11,214 bytes)
- 11. RE: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sat, 29 Jan 2005 23:14:53 -0500
- Roger, Are the "radials" (counterpoise) connected to your tower? You will find that one MUST isolate the radials/counterpoise from the tower and use a good balun to decouple the feedline from the rad
- /archives//html/Towertalk/2005-01/msg01243.html (9,910 bytes)
- 12. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "K8RI on Tower Talk" <k8ri-tower@charter.net>
- Date: Sat, 29 Jan 2005 23:21:49 -0500
- The antenna is installed as per the instructions. It works well on all but 20 meters. When I say it's deaf on 20, I mean you only hear a few weak signals. It's something far more than take off angle.
- /archives//html/Towertalk/2005-01/msg01244.html (9,615 bytes)
- 13. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Bob Nielsen <nielsen@oz.net>
- Date: Sat, 29 Jan 2005 22:50:13 -0800
- I have an AV-640 (currently my only antenna) mounted on a 15 ft. piece of water pipe which is clamped to the eaves of my roof. It gets out as well on 20 as any other band (I've worked several countri
- /archives//html/Towertalk/2005-01/msg01247.html (11,344 bytes)
- 14. Re: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: Bob Nielsen <nielsen@oz.net>
- Date: Sat, 29 Jan 2005 22:54:07 -0800
- It's quite comprehensive and I found it to be worth the price (YMMV). The results it showed for the R8 led me in that direction, but after comparing the R8 to the AV-640, including price (the AV-640
- /archives//html/Towertalk/2005-01/msg01248.html (8,616 bytes)
- 15. [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "William B. Stacy" <WStacy@uwyo.edu>
- Date: Sun, 30 Jan 2005 10:02:14 -0700
- Hi, All: The vertical comparison report is a published book, which, like the tribander book, has test protocol, data, observations, and is comb bound. I bought it a while back and found the informati
- /archives//html/Towertalk/2005-01/msg01251.html (9,287 bytes)
- 16. RE: [TowerTalk] R8 vs 6BTV, etc. (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sun, 30 Jan 2005 14:18:17 -0500
- The height is a compromise between ground induced losses on the lower bands and elevation issues on the higher bands. With an elevated vertical (ground plane) mounted 1/4 wave above ground the peak
- /archives//html/Towertalk/2005-01/msg01252.html (9,854 bytes)
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