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How to filter noise from shortwave | The SWLing Post
https://swling.com/blog/tag/how-to-filter-noise-from-shortwave/
This entry was posted in How To, News, Shortwave Radio, Videos and tagged @LondonShortwave, GarageBand Shortwave, How To, How to filter noise from shortwave, London Shortwave, Soniqware SG-1 spectral noise gate, Tutorials, Using GarageBand as DSP on January 14, 2014 by Thomas.
Audio Filter Timewave DSP-9 + for CW on a Shortwave ...
https://www.youtube.com/watch?v=RHRTwQex7OQ
CW selectivity is rather poor on many older model general coverage shortwave receivers. A high quality audio filter can greatly improve this! See how the ...
Audio and RF Filters - Universal Radio shortwave, amateur ...
https://www.universal-radio.com/catalog/filters.html
Audio and RF Filters. MFJ. MFJ-752D Audio Filter. MFJ-784B DSP Audio Filter. MFJ-781 DSP Multimode Audio Filter. Par. UHFBP Military Band RF Filter. VHF-FM Scanner Listener RF Filter.
makeRF: An Altoids Tin Low Pass Filter For Shortwave ...
https://makerf.com/posts/altoids_tin_low_pass_filter_for_shortwave_transmitters
An Altoids Tin Low Pass Filter For Shortwave Transmitters. In my last post, the Michigan Mighty Mite was discussed; a very simple shortwave transmitter that puts out about a half a watt on several HF bands. The biggest problem with its simple design is that it outputs harmonics which should be filtered out.
MFJ-752D Audio Filter, MFJ752D Signal Enhancer II
https://www.universal-radio.com/catalog/filters/5640.html
Audio Filters. The MFJ-752D Signal Enhancer II is a dual tunable audio filter that permits you to zero in on a single sideband and Morse code signal and notch out interference at the same time. It can also be used for AM mode shortwave listening. The primary filter is a two section, four-pole variable filter with Peak, Notch, Low Pass and High ...
Filtering out shortwave static | RadioReference.com Forums
https://forums.radioreference.com/threads/filtering-out-shortwave-static.330609/
As soon as I left my apartment and entered the hallway, the audio got better. As soon as I was outside, the audio was near perfect, and when I walked a few minutes away, it was almost as clear as a decent local A.M. signal. I than manually scanned between 5.9 and 6.2 KHZ and was AMAZED at the number of clear stations that I picked up.
DSP audio filters: Timewave 599zx, MFJ 784B -- Useful for ...
https://rec.radio.shortwave.narkive.com/FqeD8M2X/dsp-audio-filters-timewave-599zx-mfj-784b-useful-for-swbc-listening
there was the ol' Gilfer Shortwave store in NJ, I had purchased one of those Datong FL3 audio filters. For shortwave AM broadcast listening, it wasn't much to the liking of my ears. I believe the audio bandwidth on that unit was about 3500 Hz, and so it wasn't really quite designed for the use that I was putting it to (nicely designed and built ...
External Audio DSP Filter Module for SSB & CW, FT8x7 DSP ...
https://elekitsorparts.com/product/external-audio-dsp-filter-module-for-ssb-cw-ft8x7-dsp-filter
Get yourself a Funtronics FADS-02 external audio filter module. The QSOs will get much more straight-forward with this tiny external audio DSP module. The FADS-02 is an audio digital filter which is designed to eliminate and filter out the unwanted noises and interferences in a SSB or CW QSO by using the software algorithms called DSP.
Low Cost open source audio DSP filter for Ham Radios ...
https://radioaficion.com/news/dsp-audio-filter-low-cost/
DSP audio filter low cost Low Cost open source audio DSP filter for Radio Hams. It is released as a building block for anyone who wants to design or customise their own audio filters. It is different from commercial offerings because it is. Cheap; Can contain multiple filter profiles based on hi pass, lo pass, band pass or band stop
Ham Radio / Amateur Radio, Shortwave, CB, DSP Software
http://www.esoftanywhere.com/
Software Functions and Features · Easy to use for ham radio / amateur radio, shortwave listeners, and CB (citizens band) radio operators alike with extensive context sensitive online help · DSP (digital signal processing) of audio signals for improved radio reception · AGC (automatic gain control) filtering · Automatic notch filtering (removes man made, predicable, and digital signals)
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