Re: [Elecraft] Noise blanker and APF test recording

2021-02-22 Thread Jim Brown
On 2/22/2021 1:14 PM, Wayne Burdick wrote: This recording hows how the new K4 noise blanker algorithm can reveal a signal buried under loud noise. Hi Wayne, Have your beta testers (or other users accumulated any experience blanking with any of K1JT's modes? I've got a couple of solar

Re: [Elecraft] Noise blanker and APF test recording

2021-02-22 Thread Drew AF2Z
Thanks, Wayne. The effectiveness of the K4 NB will be a major factor for me. FWIW, I have found the K3 NB to be vital in my locality and have depended on it a lot (for hundreds of CW QSOs in the recent SKCC event), its major fault being key "clicks" from adjacent CW signals leaking through

[Elecraft] Noise blanker and APF test recording

2021-02-22 Thread Wayne Burdick
A brief K4 audio sample can be downloaded using the link at the end of this email. This recording hows how the new K4 noise blanker algorithm can reveal a signal buried under loud noise. It also highlights the effectiveness of the audio-peaking filter (APF) when listening to a very weak CW