[Elecraft] K3S noise blanker: FMOP OTHR

[Don Wilhelm]

Richard,

You may have better luck with Noise Reduction than the Noise Blanker. 
The noise blanker works best on impulse type noise.

73,
Don W3FPR

On 3/13/2019 10:00 AM, Richard Lamont wrote:
> Hi all,
> 
> Has anyone had any success using the K3S noise blanker to get rid of the
> new-ish FM-on-pulse types of over-the-horizon radar? I've tried various
> settings but nothing seems to make any discernable difference.
> 
> There seem to be two main systems, both Russian:
> 
> 'Sunflower', a surface-wave OTHR, which typically occupies about 40 kHz
> of bandwidth on the lower HF bands and puts out 43 pulses/sec and has
> been causing a lot of interference on 3.5 and 5 MHz.
> 
> 'Container', an ionospheric OTHR, which (at present) occupies about 14
> kHz of bandwidth, mainly on 14 MHz and puts out 40 pulses/sec and has
> spent the last few days centred on 14142, 14228 and 14332 kHz.
> 
> 73,
> Richard G4DYA
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