[Elecraft] Sherwood ranking

Edward R Cole kl7uw at acsalaska.net
Sun Aug 12 17:15:37 EDT 2012


First-off my apology this reply is so behind in time.  My main 
computer was under re-build so was having to use web-based e-mail to 
access my e-mail and the reflector would not recognise me as 
registered for posting replies.

I think which parameter is most significant depends a lot on the use, 
whether that be HF contest, DX, rag-chew, and what mode: CW, SSB, or 
one of the digital modes.  Is this a strong-signal environ or super 
weak-signal?

Across the board (Sherwood table) the KX3 is impressive (when on 
takes into what challenges a direct-conversion receiver faces).  Also 
the entry cost for a new radio is pretty great for being on top of the list!

For my favored modes which all involve weak-signal reception the -144 
dBc/Hz LO noise is a big plus!  I do not encounter nearby large 
signals so the other two parameters are less of an issue.

But I will use the KX3 in a wider range of ham use so the 
strong-signal characteristics will be definitely nice.  As to the 
individual selling his FT-817 (being made harder) ....why I sold mine 
last winter ahead of the game.

Aside to Wayne:  Sherwood numbers great stuff to add to my product 
review paper on using the KX3 as IF radio for mw.  The mw gang hold 
great store by low-noise LO's.  Next they look at LO freq. stability 
so a pending EXREF will be significant for purchase decisions made by mw hams.

I'm hoping we can see the KX3-2M before the presentation in San Jose 
(MUD-2012) Biltmore Hotel, Oct. 19-20.  144-MHz is the most popular 
IF for mw equipment.

73, Ed - KL7UW
"glad I only rebuild my computer every couple years!"



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