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From: | Frank Brickle |
Subject: | Re: Generating CW-morse signals with a straight key |
Date: | Sat, 28 Dec 2019 13:52:35 -0800 |
Cool! I would definitely be interested in the last option "generated CW
tone from text input, either from a file"
-- Cinaed
On 12/28/19 11:18 AM, Frank Brickle wrote:
> Is there a JACK audio sink in Gnuradio these days?
>
> I'm not sure where they are housed, now, but I wrote a few programs to
> generate CW this way some years ago. They depended on having JACK audio
> input to the application. One of them could use either a straight key or
> would work as a decent iambic keyer. The other generated CW tone from
> text input, either from a file or directly from stdin and therefore from
> a keyboard.
>
> If there were any interest I could probably dig up the source.
>
> 73
> Frank
> AB2KT/VE7
>
>
> On Sat, Dec 28, 2019 at 11:06 AM Gorkem Ozcelebi <address@hidden
> <mailto:address@hidden>> wrote:
>
> If I've understood your question correctly, how about the microphone
> / audio input? If it's ac-coupled, you could use a simple
> oscillator. The presence of the tone, gated by your morse key,
> triggers the cw. If you don't want to build / provide an external
> oscillator, how about a software oscillator fed through one of the
> audio output channels of the same PC, going back in thru your morse
> key. The other audio channel is left available for the audio output
> of your receiver.
>
> Gorkem
>
> On Sat, Dec 28, 2019, 7:25 PM Harald Fritzsche (DD0VS)
> <address@hidden <mailto:address@hidden>> wrote:
>
> Hello All,
>
> Hoping that amateur radio is not to far away from common use of
> Gnuradio mailing list, but amateur radio is making me looking to GR
> since 2001.
> There is a plan to use a Gnuradio based transceiver for µ-wave
> contesting, as it has been shown by W7FU or KB1VC (SoDaRadio) or
> DL9SW.
> A needed condition is, to key HF with morse code using a straigth or
> simple morse key.
>
> Doing this with just looking to the status of /dev/ttyUSB0-CTS
> pin is
> not sufficient, basically some of the keyed code is somehow
> swalloed.
> Neither with python code or with a C++ OOT module i got it solved.
>
> How to get this solved? (Hardware keying or modulated cw is not
> a real
> option).
>
> Regards and vy73
> Harald
> DD0VS
>
>
>
> --
> Tell me, what is it you plan to do with your one wild and precious life?
> -- Mary Oliver
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