My 2 cents...
1. Buy the DSP and try it. You can always sell it if you don't like it.
2. If you don't like a loop, try a noise-canceller. Since you are
"stuck" with your sub 1/8 acre, this is a good option.
Try
http://www.mfjenterprises.com/products.php?prodid=MFJ-1026I believe that if you buy direct, you get a 30 day trial period after
which you can return it. Sounds worth it to me (at least in your
case).
3. Remember, the more tools you have, the more likely that you'll
find a solution to any given problem at any given time. Sometimes one
will work better (best?) while other times something different
(another tool) will do the job.
4. If you are nearly 100% cw, I hope you are using COMMUNICATIONS
quality headphones (and I sure hope you are using headphones and not a
speaker). You can try different headphones which are "cheap."
Remember, the worse the Freq response (such as for audiophile types),
the cheaper it is, but the better it is for cw. Many decades ago, the
BEST headphones I ever owned for cw was a $9 pair of Lafayettes.
Horrible for listening to "the stereo" (mush) but great for cw. I
almost cried when they fell apart after 15 years of daily service (not
salvageable).
5. Don't forget to try "wide" bandwidths also...you never know. When
I used to DX on 160 using my Kenwood TS940, my cascaded 500 cycle
filters heard much worse on some signal than using no narrow filters
at all (again, for cw). Weird, but I did what worked.
Summary:
Buy the DSP, if n/g, sell it
Buy a "noise canceller," if n/g, return it.
Try a loop if you can figure out a practical way to turn it inside
your house (hopefully, outside your shack).
de Doug KR2Q
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