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iCW - internet CW

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Welcome to iCW - internet CW - full duplex, QSK, CW QSO, with morse code audio tones over MUMBLE voice chat

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Chuck Vaughn, … df7t...@gmail.com36

Feb 7

demo of using the new MUMBLE CLIENT's choice of PIPEWIRE

Thanks Steve! I think that precomputing the audio for all characters/punctuation marks and other

unread,

demo of using the new MUMBLE CLIENT's choice of PIPEWIRE

Thanks Steve! I think that precomputing the audio for all characters/punctuation marks and other

Feb 7

Chuck Vaughn, … df7t...@gmail.com48

12/23/24

you C Coders might find this interesting, a virtually ZERO DELAY CW audio filter that totally cleans up a harsh CPO square wave click'N sidetone while shaping its edges

Congrats Chuck -- The look and feel of the CW Keyboard gets better and better! Here, I just started

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you C Coders might find this interesting, a virtually ZERO DELAY CW audio filter that totally cleans up a harsh CPO square wave click'N sidetone while shaping its edges

Congrats Chuck -- The look and feel of the CW Keyboard gets better and better! Here, I just started

12/23/24

aa0hw, … df7t...@gmail.com102

12/19/24

HOME BREWED SOFTWARE CODE PRACTICE OSCILLATOR VST VSTi PLUGIN

sineCW60 Some information concerning the "KEYED TIME" (of the output signal) setting has

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HOME BREWED SOFTWARE CODE PRACTICE OSCILLATOR VST VSTi PLUGIN

sineCW60 Some information concerning the "KEYED TIME" (of the output signal) setting has

12/19/24

df7t...@gmail.com, Chuck Vaughn12

12/10/24

AV Linux Experiments with the RECRI KEYER

combining the raised cosine WINDOWs, 1 & 2 , multiplying them, testing this combo/that combo ,

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AV Linux Experiments with the RECRI KEYER

combining the raised cosine WINDOWs, 1 & 2 , multiplying them, testing this combo/that combo ,

12/10/24

Chuck Vaughn, … S. Steltzer6

9/28/24

new IP address for our MUMBLE SERVER will be necessary to change on your LOGIN on SEP. 26th

Ok, thanks again :-) On Sat, Sep 28, 2024, at 6:26 AM, aa0hw wrote: they have delayed it several

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new IP address for our MUMBLE SERVER will be necessary to change on your LOGIN on SEP. 26th

Ok, thanks again :-) On Sat, Sep 28, 2024, at 6:26 AM, aa0hw wrote: they have delayed it several

9/28/24

Chuck Vaughn, S. Steltzer2

9/12/24

experimental setup for 10 ops to send CW at VLF frequencies in 1 Mumble channel

Wow, that's worse than trying to pick calls out of big pileups while working mults on a second

unread,

experimental setup for 10 ops to send CW at VLF frequencies in 1 Mumble channel

Wow, that's worse than trying to pick calls out of big pileups while working mults on a second

9/12/24

Chuck Vaughn, df7t...@gmail.com2

9/10/24

another example and test of using Interrupt CW MODE, rEvErSe iMaGe mOrSe cOdE over Mumble , this time using an interrupted sine sweep carrier

Hi Chuck, that's an efficient way to correct annoying glitches/crackles. A while ago, I

unread,

another example and test of using Interrupt CW MODE, rEvErSe iMaGe mOrSe cOdE over Mumble , this time using an interrupted sine sweep carrier

Hi Chuck, that's an efficient way to correct annoying glitches/crackles. A while ago, I

9/10/24

Chuck Vaughn, df7t...@gmail.com9

8/24/24

just another example of using REAPER DAW to take 555 square wave output , convert it to shaped sine wave

Thanks Chuck! The, perhaps more realistically 600 us, delay is directly related to the delay line and

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just another example of using REAPER DAW to take 555 square wave output , convert it to shaped sine wave

Thanks Chuck! The, perhaps more realistically 600 us, delay is directly related to the delay line and

8/24/24

3/3/24

rEvErSe iMaGe CW MODE - CW ELEMENTS OF SiLENCE - embedded into a pilot tone carrier wave for use on an experimental mumble iCW setup

i noticed several advantages - less audio glitches even when the TX embedded PILOT tone gets a GLITCH

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rEvErSe iMaGe CW MODE - CW ELEMENTS OF SiLENCE - embedded into a pilot tone carrier wave for use on an experimental mumble iCW setup

i noticed several advantages - less audio glitches even when the TX embedded PILOT tone gets a GLITCH

3/3/24

3/1/24

using only your stereo sound card inputs and outputs, two audio transformers, and FREE software, here is a CW Iambic KEYER setup

https://youtu.be/0sVk2Axs_pY using a 21Khz sine wave oscillator signal source, and 2 individual AUDIO

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using only your stereo sound card inputs and outputs, two audio transformers, and FREE software, here is a CW Iambic KEYER setup

https://youtu.be/0sVk2Axs_pY using a 21Khz sine wave oscillator signal source, and 2 individual AUDIO

3/1/24

2/28/24

usE a FERRiTE TOROiD stepUP Transformer with a 32Khz sinewave to interface your Straight Key T UR PC

https://youtu.be/2Gu9D6MP9bs uses REAGATE GATE app to trigger a midi note output from the straight

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usE a FERRiTE TOROiD stepUP Transformer with a 32Khz sinewave to interface your Straight Key T UR PC

https://youtu.be/2Gu9D6MP9bs uses REAGATE GATE app to trigger a midi note output from the straight

2/28/24

Chuck Vaughn, joe living2

2/27/24

use the lowest bit rate for the OPUS CODEC on mumble and still get virtually PERFECT CW audio notes

Interesting, Chuck. How have you been doing? Joe W3GW On Tuesday, February 27, 2024, 11:27:49 AM CST,

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use the lowest bit rate for the OPUS CODEC on mumble and still get virtually PERFECT CW audio notes

Interesting, Chuck. How have you been doing? Joe W3GW On Tuesday, February 27, 2024, 11:27:49 AM CST,

2/27/24

Chuck Vaughn, S. Steltzer2

12/29/23

using "FriTure"(A Real Time Audio Analyzer) for Morse Code Audio SPECTRUM, SCOPE & WAVEform analysis

That sure is a powerful software suite you have assembled there. Makes me wish I'd dived into

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using "FriTure"(A Real Time Audio Analyzer) for Morse Code Audio SPECTRUM, SCOPE & WAVEform analysis

That sure is a powerful software suite you have assembled there. Makes me wish I'd dived into

12/29/23

12/20/23

setup your own Broadcast or CW Practice Channel on Mumble using multiple VLF signals - LiVE iCW demo

youtube VIDEO DEMO: https://youtu.be/XJPeLSHwdT0 using the latest mumble version, 1.5(+), it now has

unread,

setup your own Broadcast or CW Practice Channel on Mumble using multiple VLF signals - LiVE iCW demo

youtube VIDEO DEMO: https://youtu.be/XJPeLSHwdT0 using the latest mumble version, 1.5(+), it now has

12/20/23

df7t...@gmail.com, S. Steltzer2

12/19/23

RSCWnet(35+ wpm) on Internet CW

Excellent! I hope you inspire a lot of folks to figure out how to get a decent quality sidetone into

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RSCWnet(35+ wpm) on Internet CW

Excellent! I hope you inspire a lot of folks to figure out how to get a decent quality sidetone into

12/19/23

F6...@wanadoo.fr, … Chuck Vaughn4

9/27/23

Difficulties with Mumble

this audio business on windows can be most frustrating indeed... 1st thing i would check is windows

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Difficulties with Mumble

this audio business on windows can be most frustrating indeed... 1st thing i would check is windows

9/27/23

F6...@wanadoo.fr, S. Steltzer2

9/10/23

Hello Gerard, I'm not familiar with the PicoFrog but I just took a quick look at their page. That

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Hello Gerard, I'm not familiar with the PicoFrog but I just took a quick look at their page. That

9/10/23

F6...@wanadoo.fr

9/10/23

You Tube vs nice description

Hi all, I've not been here since relatively long time!! I see there are some nice new stuff, but

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You Tube vs nice description

Hi all, I've not been here since relatively long time!! I see there are some nice new stuff, but

9/10/23

6/13/23

tlc551 CPO - runs off the power supply of a sound card MIC JACK

here is another example keying the TLC551 square wave CPO, into a PI4 usb mic adapter... a single

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tlc551 CPO - runs off the power supply of a sound card MIC JACK

here is another example keying the TLC551 square wave CPO, into a PI4 usb mic adapter... a single

6/13/23

5/9/23

Mumble Voice Chat HD audio 10Khz LSB VOiCE & 16Khz - 20Khz 'WHITE NOISE' QRQ CW: utilize VLF BAND/iP

video demo here: https://youtu.be/J67fjVIBpJY 10Khz wide HD AUDIO voice @10Khz LSB(LOWER SIDEBAND)

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Mumble Voice Chat HD audio 10Khz LSB VOiCE & 16Khz - 20Khz 'WHITE NOISE' QRQ CW: utilize VLF BAND/iP

video demo here: https://youtu.be/J67fjVIBpJY 10Khz wide HD AUDIO voice @10Khz LSB(LOWER SIDEBAND)

5/9/23

5/9/23

SEND pictures to each other over MUMBLE (in SEND MESSAGE to OP function)

just a reminder, you can send pics to everyone over mumble by using the SEND MESSAGE COMMAND to 1 or

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SEND pictures to each other over MUMBLE (in SEND MESSAGE to OP function)

just a reminder, you can send pics to everyone over mumble by using the SEND MESSAGE COMMAND to 1 or

5/9/23

Chuck Vaughn, S. Steltzer2

5/8/23

CW KEYER SQUARE WAVE output converted to SHAPED SiNE WAVE output by LSP SiDECHAiN & LSP OSCiLLATOR

Makes me wish I'd have gotten into Linux years ago when my brain could still process and retain

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CW KEYER SQUARE WAVE output converted to SHAPED SiNE WAVE output by LSP SiDECHAiN & LSP OSCiLLATOR

Makes me wish I'd have gotten into Linux years ago when my brain could still process and retain

5/8/23

Chuck Vaughn, … S. Steltzer6

4/25/23

advanced setup for iCW using the "ZamGate CW Keyer" for both the MUMBLE INPUT and MUMBLE OUTPUT

A complete software solution now for Windows. Good deal!

unread,

advanced setup for iCW using the "ZamGate CW Keyer" for both the MUMBLE INPUT and MUMBLE OUTPUT

A complete software solution now for Windows. Good deal!

4/25/23

Chuck Vaughn, S. Steltzer2

3/8/23

using GASSiAN NOiSE CW notes for sending Morse Code over iCW on Mumble - CW regenerated on mumble RX

Quite impressive software. Makes me wish I'd gotten into Unix / Linux when I was young.

unread,

using GASSiAN NOiSE CW notes for sending Morse Code over iCW on Mumble - CW regenerated on mumble RX

Quite impressive software. Makes me wish I'd gotten into Unix / Linux when I was young.

3/8/23

Chuck Vaughn, Håken Hveem4

1/26/23

LATEST version of mumble for windows, now has native JACK AUDIO CONNECTION KIT support

looks like PIPEwire is now included on the latest mumble version for Linux On Wed, Jan 25, 2023 at 12

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LATEST version of mumble for windows, now has native JACK AUDIO CONNECTION KIT support

looks like PIPEwire is now included on the latest mumble version for Linux On Wed, Jan 25, 2023 at 12

1/26/23

1/24/23

new FREE virtual audio cable found for iCW windows users - (short video demo an download link)

NOTE: you will have to ENABLE the new STEEL VIRTUAL AUDIO CABLEs in your windows on PLAYBACK and

unread,

new FREE virtual audio cable found for iCW windows users - (short video demo an download link)

NOTE: you will have to ENABLE the new STEEL VIRTUAL AUDIO CABLEs in your windows on PLAYBACK and

1/24/23

12/28/22

CW PRACTICE on Mumble on the iCW server, ENB-CW mode, 3 ULF signals ONLY 100hz apart from each other

test run with 3 ULF signals sending a CW TEXT FILE at different speeds at 1000 hz, 1100 hz, and 1200

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CW PRACTICE on Mumble on the iCW server, ENB-CW mode, 3 ULF signals ONLY 100hz apart from each other

test run with 3 ULF signals sending a CW TEXT FILE at different speeds at 1000 hz, 1100 hz, and 1200

12/28/22

Chuck Vaughn, … F6...@wanadoo.fr27

12/25/22

BREAKING NEWS - new open source CW KEYER project that works great for iCW OPs

Seems to be a nicz design; I'm using the Teebsy on a SDR project : T41EP , and this is a veyr

unread,

BREAKING NEWS - new open source CW KEYER project that works great for iCW OPs

Seems to be a nicz design; I'm using the Teebsy on a SDR project : T41EP , and this is a veyr

12/25/22

12/24/22

CW COPY by ear PRACTICE on the iCW Mumble Server - 29 speeds from 20 to 105 wpm - use SDR to choose

Just a snap shot showing the FULL MUMBLE ELF,ULF,VLF spectrum - with 29 CW signals AND now including

unread,

CW COPY by ear PRACTICE on the iCW Mumble Server - 29 speeds from 20 to 105 wpm - use SDR to choose

Just a snap shot showing the FULL MUMBLE ELF,ULF,VLF spectrum - with 29 CW signals AND now including

12/24/22

Chuck Vaughn, … Andrew Moore11

11/5/22

High Performance Raspberry Pi4 CW CPO/CW Keyer(CW RE-generator) using KXstudio CARLA APP - LIVE demo

another setup using the pi4's own bcm2835 sound card as a sine/square/triangle wave generator(

unread,

High Performance Raspberry Pi4 CW CPO/CW Keyer(CW RE-generator) using KXstudio CARLA APP - LIVE demo

another setup using the pi4's own bcm2835 sound card as a sine/square/triangle wave generator(

11/5/22

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