[Elecraft] "Random wire" vs Buddystick - myth, bias or luck?
Michael Wong
michaelwong at mac.com
Thu Sep 29 12:22:57 EDT 2016
Thanks everyone! Larry's was great, quickly actionable advice. I’ll do this the next time I go out. I don’t have a shack, and am still hunting around for a spot where I can try some of the other great suggestions (that I can fit in my backpack and if I actually find a spot where I can string up a wire.
I do use a wire counterpoise for both my wire and Buddistick and try to keep it off the ground except for the end.
Yes, I have an older copy of the antenna book and I’m in the transmission lines chapter. I guess I should just skip ahead to the long wire chapter.
Given all the advice, I’m going to continue to try to find a good wire antenna deployment given the random locations I tend to drop in at.
Thanks all!
Michael
K2MAW
> On Sep 29, 2016, at 8:34 AM, Bill <k9yeq at live.com> wrote:
>
> That's great advice, Larry!
>
> Bill
> K9YEQ
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Larry
> Gauthier (K8UT)
>
> The most likely answer is "it depends." Despite the theoretical differences
> between the antennas, there are situational differences where one will
> out-perform the other: quality of ground, height, propagation, direction to
> receiving station...
>
> BUT, you can measure those differences yourself. Tune-up on the Buddistick
> in the CW portion and send the string "test test de <your callsign> <your
> callsign>". Move your VFO 5 KHz and send the same string on the random wire.
>
> Then open your browser to the Reverse Beacon Network's search page and enter
>
> your callsign.
> http://www.reversebeacon.net/srch.php
> Compare your received signal strength on each antenna by the stations who
> heard you. Run the test a few times to minimize QSB and propagation fading.
>
> What do you get? The results ("which is better?") may be different as you
> move from one location to another. If you can carry both antennas use the
> one that's working.
>
> -larry (K8UT)
> -----Original Message-----
> From: Michael A. Wong
>
> Hey folks,
>
> KX3 and Buddistick owner here. I've been getting a lot of feedback that I
> would get better performance (more contacts) with a random wire vs my
> Buddistick. So, while I've noticed that reception is much better with the
> wire, with the Buddistick, I get 1.1:1 according to the KX3 and have made
> all my contacts with the Buddistick.
>
> Now, recognizing the DIY nature of our hobby might lead people to recommend
> a random wire over a commercial antenna, if I actually manage to deploy the
> wire "optimally", should I really see performance equal or outpace the
> Buddistick? Or am I simply finding bad luck the times I try to get a QSO
> over a wire?
>
> I've tried deploying from a 30' pole sloping down, the hypotenuse of the
> triangle pointing to my desired direction. I tried deploying 40+ feet
> between two trees about 12' off the ground. Now I'm going to get a Zebco 202
>
> and rig up my slingshot to deploy vertical. But honestly, I can get the
> Buddistick up and running in about 3 minutes....
>
> Mainly, I'm on 20m and maybe I haven't read the right book on random wire
> antennas, but I would appreciate the group's thoughts.
>
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