[Elecraft] K3 noise B and R

[Stewart Baker]

My suggestion would be to use a separate RX antenna. Your existing 
wire will be very effective at picking up all your local 
electrical noise.

73
Stewart G3RXQ
On Sat, 23 Feb 2008 10:20:34 +0000, jacrux wrote:
> The N0SS demo is very impressive. The noise sounds like what I 
have here in
> the city suburbs most (all) of the time. But here hitting  "NB" 
has no
> tangible effect. I have not found it useful !  (OK;  I probably 
need to read
> the manual and play with the settings.)
> On the other hand,  "NR" does work well provided the wanted 
signal is strong
> enough. (Once again, read the manual, I know ...)
>
> On 80m I have now adopted a different approach to the awful 
local noise
> levels. I found that hitting "ATT" was very effective in 
reducing unwanted
> noise, especially when listening to weaker signals, including 
VP6DX over 8000
> miles away and nothing like as loud in here as on the N0SS 
recordings.
> Today I tried listening to VP6DX on 80 with ATT set to OFF and 
the noise was
> painful. Hitting PRE made it far worse. NR did not really help, 
but  with ATT
> ON, I worked them on 80m CW with just 10w ....
> The antenna here is a 20m wire bisquare, bottom corner about 7 
feet off the
> ground and firing vertically upwards on 80.
> As the VP6 op said when I told him  .... "OUCH"
> But the mojo sure works, because I also made it on 80 with 100w 
of SSB !
> Again this was with ATT  ON. PRE seems best left for the HF 
bands, 20m and
> up. But  ATT is a powerful option when all else fails.
> John G3JAG  K3 #107 K2 # 609
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