[Elecraft] K9AY/K3 Diversity Receive at VE1RGB

[Julius Fazekas n2wn]

Guess we'll have to keep a much closer watch on you in ARRL 160 Gary ;o)

Nice selection of antennas, you're ahead of the pack already!

The second Rx has come in handy in a pileup. It'll be interesting to see how
goofy things can get using it after some sleep deprivation.

CU in the fray,
Julius


Gary Bartlett VE1RGB wrote:
> 
>             For those of you who may be considering the erection of a K9AY
> loop, particularly K3 owners with the KRX3, I have written up a report of
> my
> early experience with this listening antenna at my little contest station.
> That story can be found at
> http://www3.ns.sympatico.ca/jhsmith/myweb4/index.htm.  Scroll down the
> right-hand side of the page.
> 
>  
> 
>             Let me quick to reiterate what it says up front in that
> report:
> this is a very non-rigorous, unscientific, non-engineering kind of
> narrative
> based on a very short period of evaluation.  It is entirely anecdotal.  My
> installation is far from optimum and I would even be reluctant to let Gary
> Breed look at it for fear he might ask me to take it down (just kidding).
> It is anything but certain that my experience will translate to yours.
> Having said that, I would be very quick to recommend that anyone with a
> local noise problem give this antenna a shot.  It's easy to build even for
> us old guys and it clearly has the potential for doing rather remarkable
> things.  [While you're on that page, look on the left hand margin and read
> the more professional engineering reports about other antenna topics
> written
> by a real engineer, VE1ZAC].
> 
>  
> 
>             Now, why is the K3 in the subject line?
> 
>  
> 
>             I have three single-element multi-band transmitting antennas
> and
> now the K9AY in addition to a short (300-foot) Beverage as listening
> antennas.  My first try at diversity receive using K3 #095 with a recently
> installed second receiver instantly suggested that a two-receiver radio
> will
> turn out to much more than just a tool for easily working split  (although
> it is almost worth the cost of the KRX3 for that pleasure alone).  I was
> immediately struck by how much control I had suddenly gained over my
> entire
> antenna farm since evaluating and selecting the right combination of
> antennas from my suite for any given situation while in the diversity
> receive configuration becomes dead simple after pushing a couple of
> buttons.
> And everyone knows that the variables in the equation mean that it is
> difficult to predict what the right combination should be.  In one
> instance
> last night on 40M, I listened to a CW QSO between a K4 and a LZ.  The K4
> was
> being received almost entirely on the Beverage and showed up in my right
> ear.  The signal from the LZ, on the other hand, was being received almost
> entirely on the K9AY loop and was being routed to the left ear.  Hearing
> the
> signals bounce back and forth between NA and EU was fascinating.  While it
> is true that in this instance, any one of my transmitting antennas by
> itself
> would likely have been adequate, that example does seem to suggest that it
> is only a matter of time before this versatility pays off for real.   I
> believe I have increased my potential for achieving another DXCC entity or
> maybe being able to work a rare DX station in an international contest by
> being able to quickly optimize the use of my antennas, each with its own
> unique but generally unpredictable characteristics.  
> 
>  
> 
>             For those sitting on the fence, I hope that this information
> encourages you to take another step.
> 
>  
> 
>             73,
> 
>             
> 
>  
> 
>             Gary, VE1RGB
> 
>             ve1rgb at rac.ca
> 
>             (902) 860-0810
> 
>  
> 
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> 


-----
Julius Fazekas
N2WN

Tennessee Contest Group
http://www.k4ro.net/tcg/index.html

Tennessee QSO Party
http://www.tnqp.org/

Elecraft K2/100 #4455
Elecraft K3/100 #366
Elecraft K3        #1875
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