[Elecraft] [K3] noise blanker

[Petr Ourednik]

Hi,

according to preview discussion on noise blanker of K3 I decided to 
write few words also as I have lot of experiences with that I guess...
My antennas are really close to electric fence (just few metres) 
so the pulses on all bands with K3 are over S9+20dB !

A few points as the results of my tests and final settings
which I am using on my K3 untill now.

1. Only the combination of the dsp and IF is able to kill the el.fence
pulses
2. dsp/t1-7 does not help in my case with any combination of IF values
3. IF NAR/MED/WID does not help if values are lower than 4...
4. dsp/t2-5,6,7 or t3-5,6,7 values are really agressive and it
suppressing
the pulses effectively if its in combination with IF setting MED or WID
with
higher than 4 values.

My standard setting to be able to live on the bands together with
el.fence 
close to my antennas is:
dsp t3-5
IF WID4

In case of dry weather I must switch to:
dsp t3-7
IF WID5

THE MAIN PROBLEM IS that with the values higher than 5 on dsp/IF it
affecting 
the receiving signals a lot. Even strong sigs on the bands are coloured
a lot
and its not copyable for speed higher than 30 wpm.
The weak signals are destroyed with agressive dsp/IF setting so much
that its
useless on lowbands unfortunately.

I am NOT anxious or even dissapointed with that as Elecraft boys still
working 
on the DSP/IF noise blanker function code I guess and it takes time to
debug it.

73, Petr OK1RP
K3 #778
-- 
Petr Ourednik
indians at xsmail.com
http://topband.blog.cz (160m)