All Blog Posts Tagged 'qrqcw' (114)

brief demo of operating QRQ CW remote rig operations using an ELECRAFT K3S, a Raspberry PI 2b, a remote LINUX LUBUNTU 18.04 LAPTOP, and using Gstreamer PIPELINES for several functions:

1. audio over ip to and from the PI::RIG interface - full duplex

2. cw audio bandpass filter for transmit

3. PTT activation tone bandpass filter for…

brief demo showing the AD5DZ remote keying system keying an ELECRAFT K3S from 100 to 200 wpm, with perfect CW NOTE construction (AFCW MODE)

first testing with a 1 DIT SEND test ...to see if the K3S can key it perfectly without missing any part of the CW ELEMENT

2nd - sending a text file at 150 wpm to see how it keys

RF SCOPE…

brief QRQ CW example//demo of using dual send & receive scripts for operating REMOTE RIG OPERATIONS::REMOTE RIG AUDIO over IP using Gstreamer RTPrtxQUEUE scripts using the OPUS CODEC…

Using a Raspberry PI2b and the AD5DZ CW Keying software suite -

https://youtu.be/l8wKVnA4oGc

The Pi is using the K3S internal USB SOUND CARD as its own sound card too...providing a direct LINE INPUT and LINE OUTPUT from the pi to the RIG and from the RIG to the PI

The PI sends audio to the…

Brief demo of keying QRQ CW on the ELECRAFT K3S using A1 mode and A2 mode(AFCW) at 75 wpm to show the CW bandwidth spectrum and CW waveshape differences

A1 MODE = default way to key CW on the K3S , the K3S uses the typical RAISED COSINE at 8 ms rise/fall time and cannot be changed

A2 MODE is done by using the AD5DZ software CW…

this video demo's using an old 1 CPU laptop as an AFCW mode, QRQ CW KEYBOARD KEYER for an ELECRAFT K3S by using the K3S USB SOUND CARD and AFCW MODE, for keying QRQ CW with the AD5DZ software CW KEYBOARD into the K3S USB SOUND CARD's LINE INPUT...the K3S VOICE VOX CIRCUIT menu setting is "ON"

the old laptop is using the latest release of…

Here is a video demo'N an experimental setup to key an ELECRAFT K3S at 75 wpm(FULL FAST QSK) so you are able to hear background HF RECEIVE audio between letters 

a test run using a setup using all LINUX FREE SOFTWARE to run REMOTE RIG OPERATIONS for QRQ CW at 75 wpm...trying to achieve good FULL QSK with RECEIVE HF AUDIO between letters at…

The Raspberry Pi is first setup as a code practice oscillator using LINUX NATIVE REAPER and its own plugins. Then using a circuit similar to this: http://i.imgur.com/C2qYIPm.png , a 555 timer chip is keyed by a FET optoisolator that connects to a CW KEYER's key-RIG OUTPUT jack. In this video a…

Brief demo of TWQRQ(by WA0EIR), running on a Raspberry PI2b

- qrq cw sent at 75 wpm, text is from w4bqf's famous article:

https://sites.google.com/site/tomw4bqf/copyingcwover70wpm

for more info and to request the latest beta version of TWQRQ please write…

This video demonstrates an advanced method for qrq training with MIXXX using FREE VST PLUGINS to regenerate the exact incoming cw audio tones and recreate them with a FREE software CPO called BIPPER, - filter the final audio product - for audiophile quality qrq cw morse code audio tones. As an example, an audio mp3 file was made using FABIAN's ebook2cw program and then loaded into MIXXX for playback. The unique features on MIXXX make it a versatile training tool for qrq cw training;…

Improve your qrq cw copy when listening to high speed morse code on your computer with this free software method

This video will demonstrate some unique challenges and solutions, when listening to high speed qrq cw morse code audio on your computer.…

Using the following free software, I was able to use my laptop and mouse to send iambic cw and FLdigi qrq to an internet remote controlled icom 735:

1, Fldigi…

This is a fun qrq typing high speed online free game with scoring etc...

very good for testing your qrq typing speed and discovering which of the most common English words you might need some more practice with for typing speed and typing accuracy in general

- and you just type the word, no punctuation is used on any of the words -…

http://youtu.be/ROt9hdvacG8