I have done this with twin SAL-30 antennas.  Spaced about 120' apart.  
Difficult to say A/B how much audible improvement is present.  I can say 
signals are stronger by about 3dB and the improvement on F/B is more noticeable 
than forward gain.  Not all improvement here is S/N, in my opinion.  Finding 
the point of best forward gain with the phasing control is approximate, at 
best.  I just put this up in November, so haven't had time to do significant 
testing yet.  I plan to phase some of my other antennas with the SAL-30 soon.  
Obviously, when I did phase them, both antennas were listening in the same 
direction.  Construction was detailed so that each antenna was physically as 
close to the other with regard to orientation, wire elevation above ground and 
elevation on terrain.  The two antennas were located NE/SW.  The NCC unit seems 
to be a premier piece of equipment, in my opinion.  Not sure if this is what 
you wanted to hear, but it is a real world setup.  As far as I know, I am the 
 only person to have this setup, according to Array Solutions.  While I have a 
Circle 8 array too, beverages are very difficult for me to keep up.  My latest 
NE beverage was up only 4-5 weeks before a tree fell on it.  I typically get 
half a season out of them because I have limited clear space at my QTH and the 
only way for me to have a NE beverage is to go through the woods.  Hence, the 
reason for my interest in the SAL antennas.  So far, the antennas (I have 3 
total) seem to hold up the best of anything I have ever had up, although I was 
very disappointed when one stopped working after deer ate 2' of one of the 
pickup lines and chewed through the coiled phasing line (RG6).  Hope this 
information helps.


---
David J Rodman MD
Assistant Clinical Professor
Department of Ophthalmology
SUNY/Buffalo

Office 716-857-8654
_________________
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

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