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Messages 3291 - 3321 of 8150   Oldest  |  < Older  |  Newer >  |  Newest
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3291
Traffie feeds from the top probably to maximize 20 meter performance on his 5 bander..,,,The reality check here is that if you add the length of the feed to...
Mike Van Winkle
janmike2001
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Aug 1, 2006
12:22 pm
3292
... snip> ... cannot ... Holger, If you are referring to the 40-30 m Hex-Beam, it is bottom fed. His other beams are top fed. 73, Barry W4WB...
w4wb
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Aug 2, 2006
6:09 am
3294
I have been reading the posts on here for a few weeks now. I ordered and received 6-13 foot black widow poles from Cabelas and plan to try the K4KIO design. I...
n6vl
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Aug 6, 2006
5:29 pm
3295
Steve -- Having just completed my construction about a month ago, I'll give you my opinions based on my experience. For the most part, I followed Leo's (K4KIO)...
rkbower
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Aug 6, 2006
8:32 pm
3296
In preparation of moving my short tower (its only temporarily installed) I've taken it and my hexbeam down. The 1/2 inch plywood hub has warped which appears...
Mark
n3gnw
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Aug 9, 2006
8:30 pm
3297
I've been studying Hex Beams for several weeks and finalizing my plans for my first build. My goals for this antenna is a quad bander for 20/15/10/6. I don't ...
JT Croteau
jt_w6fo
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Aug 10, 2006
2:15 am
3298
I found 4' lengths of 3/8" diameter fiberglass rod at my local Tractor Supply store. They are sold as electric fence posts. I could wish for longer heavier...
Harold Burton
kd5sak
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Aug 10, 2006
2:56 am
3299
JT: I bought my spreaders from Max-Gain. I bought 3 8' pieces of 3/4" tubing and 6 pieces of 1/2" tubing. I cut the 3/4" pieces into 4' sections and slipped...
w0tmm
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Aug 10, 2006
4:36 pm
3300
I first tried a tapering combination of 3/4" tube to 1/2" tube to 1/4" rod for a 5 bander but found the 1/4" rod too flexible. With a 4' length it didn't...
dave@...
dsimmons1999
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Aug 10, 2006
6:11 pm
3301
... Thanks Dave and all others who replied. I am leaning towards 8' of 1/2" solid to the tips based on some of the experiences I've read. The rest of the...
JT Croteau
jt_w6fo
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Aug 10, 2006
6:55 pm
3302
Hi JT - I haven't tried 1/2" solid rod, so if you're actually going to Max-Gain you might want to see how it flexes. You can probably save a few bucks and...
dave@...
dsimmons1999
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Aug 10, 2006
8:51 pm
3303
... Actually, I'd save weight but pay more.. an interesting dilema. 1/2" Rod 1.22 lbs. $6.00/8 ft. 1/2" Tube 0.837 lbs. $6.50/8 ft. I will probably go for...
JT Croteau
jt_w6fo
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Aug 10, 2006
9:07 pm
3304
Hi Using 1/2" tube alone for the spreaders could create some problems. They will tend to go "S" shaped very easily, especially on a 5 bander. With very careful...
Colin
DJCOL1
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Aug 16, 2006
1:43 pm
3305
Hi Folks, I'm a new boy to the group from England, but have been "playing" with 20m HexBeam designs using EZNEC for a couple of months. I found that the gain...
steveeh131047
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Aug 18, 2006
9:23 am
3306
Hi Folks, I am considering building a 5 band version; I may have the room to extend the spreaders sufficiently to add 40m (although not sure it would be...
slolawfirm
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Aug 18, 2006
9:27 am
3307
I've done a bit more modelling work since the first posting. I've scaled the dimensions to centre the performance on 14.2MHz, and matched the feedpoint...
steveeh131047
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Aug 19, 2006
2:09 am
3308
Hi Steve, I wonder if you have tried to compare your modeled results against Traffie's measured results. See http://www.hexbeam.com/performance.shtml FWIW, my...
w4wb
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Aug 19, 2006
11:07 am
3309
I recently received the Traffie HEX-PAC after finally getting enough coins in the cookie jar. http://www.hexbeam.com/hxp.shtml First impression is simply...
w4wb
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Aug 19, 2006
11:30 am
3310
Hi Phil I can`t quite fit a 40m hex here, so i`m stuck with multiple antennas. It does makes sense to compact as many bands into one antenna if you can,...
Colin
DJCOL1
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Aug 19, 2006
1:28 pm
3311
Hi Barry, Yes, I have compared my modelled results with the Traffie figures and noted the differences. In fact, my interest in "playing" with Hexbeam models...
steveeh131047
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Aug 19, 2006
2:50 pm
3312
Hi Steve, I understand and I find it interesting that you are investigating a means to broaden the bandwidth. One way might be to use heavier gage wire and...
w4wb
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Aug 20, 2006
1:50 am
3313
Hello, I am gathering my materials, have the spreaders and a working 5 band dipole. But I have never seen a model that you discribe, so please post it. Thank...
Ralph
wa2ogn
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Aug 20, 2006
3:52 am
3314
I'm getting serious about a 40/30 Hexbeam above my 4 element SteppIR. Where can I get specific information on details of the 30/40? I need to know sources,...
Clay K7HC
lehmschlog2000
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Aug 20, 2006
7:56 am
3315
Hi Ralph, I have posted the EZNEC file in the "Files" area under the name "20m Hex 2 elements driven". The dimensions are pretty much those of DL7IO's single...
steveeh131047
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Aug 20, 2006
8:48 am
3316
Okay guys here ia a crazy idea...Broad band it by using twin lead for the elements instead of wire...NO I haven't tried it YET...I bet if you make one of the ...
Mike Van Winkle
janmike2001
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Aug 20, 2006
1:53 pm
3317
Hi Steve Sounds like this might be a good candidate for a folded dipole driven element. The 12.4 ohms would be transformed (4:1) to almost a perfect 50 ohm ;)...
Colin
DJCOL1
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Aug 20, 2006
5:50 pm
3318
Hi Colin, Thanks for the suggestion. Unfortunately the feedpoint impedance is not 12.4 Ohms - mid-band it is about 7+j20 so folding the element wont produce a...
steveeh131047
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Aug 20, 2006
6:44 pm
3319
Does anyone have the wire lengths and end spacing for the elements of the Traffie Five Band Hexbeam? Thanks, Leo, K4KIO...
k4kio
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Aug 20, 2006
7:00 pm
3320
I am wondering if it would be possible to use a chimney as a mount for the Hexbeam. I would use a chimney mount kit from Radio Shack, attach a pipe to it and...
kc0rdg
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Aug 20, 2006
10:49 pm
3321
Hi their I mounted a anttena to my chimney with preaty good results. I mounted a spider beam with just the set up you talked about. When I frist put it up I...
Lawton wright
wa6zrt
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Aug 21, 2006
2:05 am
Messages 3291 - 3321 of 8150   Oldest  |  < Older  |  Newer >  |  Newest
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