Chuck aa0hw's Blog – May 2022 Archive (6)
get rid of HIGH "Q" CW Narrow Band Filter Ringing with a GATE DSP plugin & filter: live demo @ 80wpm
Added by Chuck aa0hw on May 31, 2022 at 9:41am — No Comments
Key your RIG using FLdigi's new SERIAL PORT DTR/RTS CW RIG keying feature
The accuracy of having FLdigi key the RIG using its new serial port DTR/RTS keying circuit ...looks impression on first testing...
TESTING at 120 wpm, 150 wpm and…
ContinueAdded by Chuck aa0hw on May 28, 2022 at 12:46pm — 1 Comment
Raspberry PI 4 - CW Morse Code Audio Tone Regenerator - using PI-APP's Reaper DAW's own plugins
pi-apps has a REAPER download REAPER contains all of the plugins to REGENERATE CW
throw any kind of sidetone into the REAPER INPUT and REAPER OUTPUTs a pure SINE WAVE, raised cosine edged CW AUDIO TONE, that perfectly clones the exact length of every…
ContinueAdded by Chuck aa0hw on May 27, 2022 at 7:44am — No Comments
SonoBus i/q Stereo - VLF CW/IP - Morse Code server - on a Raspberry PI 4 - uses LYSDR to demodulate
TEST SETUP to use SonoBus in a LOOPBACK SERVER MODE (you have to mute all contacts but the PI 4 server) https://sonobus.net/
TO SEND VLF RF CW directly, and send in i/q stereo you need a CW KEYER like Recri Keyer…
ContinueAdded by Chuck aa0hw on May 26, 2022 at 8:59am — No Comments
copying QRQ CW in a TUNED RESONANT HIGH "Q" system - DEMO a GATE between 2 CW audio bandpass filters
QRQ CW TRANSMITTER & RECEIVER are both using HIGH Q resonant systems on their Ferrite Loopstick ANTENNAs
PROBLEM - HIGH Q will cause ringing and MUSH on the RECEIVE signal
SOLUTION - use a GATE between 2 CW AUDIO BANDPASS filters
Added by Chuck aa0hw on May 16, 2022 at 10:10am — No Comments
Raspberry PI 4 complete CW KEYER(iambics, st key & keyboard) using free software from LSP & Recri
https://lsp-plug.in/?page=manuals§ion=trigger_midi_mono
https://github.com/recri/keyer
CW KEYER SETUP overview: 4 different 555 timer chip oscillators that have been set to…
ContinueAdded by Chuck aa0hw on May 10, 2022 at 10:47am — No Comments
Latest Blog Posts
- Interrupt Modulated(IM) QRQ CW Mode - Live demo on the VLF band
- rEvErSe iMaGe CW mode FiGHTS BACK against packet loss during an OPUS CW AUDIO over iP Morse Code QSO
- Remote laptop station keying QRQ CW on Rig over LAN using NETJACK 2: using a pi2b Remote RIG interface
- 555 harsh raspy square wave CPO output to PURE SINE WAVE shaped CW NOTE output CONVERTER: REAPER DAW
- reVerse iMAGE CW digital Mode - reduce ur Transmit bandwidth by at least half
- CW iambic KEYER by soundcard, 2 audio transformers & FREE software
- usE a FERRiTE TOROiD stepUP Transformer with a 32Khz sinewave to interface your Straight Key T UR PC
Most Popular Blog Posts
- Nice article about the inventor of the MERCURY PADDLE - Steven Nurkiewicz - N2DAN(sk)
- VIRTUAL AUDIO DEVICE - VB-AUDIO VIRTUAL CABLE
- SCIENCE PROVES THAT MORSE CODE INCREASES THE AMOUNT OF NEURONS IN YOUR BRAIN
- Qrq cw qso via an internet remote keyed rig using all free software
- Using Virtual Serial Ports for Ham Radio - Dahdidah's Software CW Keyer
- MIDI KEYED - MORSE CODE SINE WAVE OSCILLATOR - with free software
- CODE PRACTICE OSCILLATOR powered by any computer MIC JACK - no batteries needed - EVER -
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