Accidentally sent my reply only to Marcus. ---------- Forwarded message --------- From: Albin Stigö <[email protected]> Date: Wed, Dec 24, 2025, 13:19 Subject: Re: Operating CW with GNURadio To: Marcus Müller <[email protected]>
You can connect the paddle to a keyer and then connect the keyer output to line in. Then you can use an audio input block + Hilbert transformer to get a baseband cw signal. You will probably have to shift it and maybe upsample too. Happy holidays, Albin On Wed, Dec 24, 2025, 13:06 Marcus Müller <[email protected]> wrote: > Hi Mati! > > Do you already have a way of connecting your paddle to your computer? > That's the hardest > part here, and how you do it will define how you implement the software > (i.e., GNU Radio) > side of this. > > > ¿Its there any way to manipulate the SDR from the paddle and tx to send > dits and dats? > > With GNU Radio, **you** are implementing the SDR, and only the RF samples > are sent to the > RF frontend (e.g. via network or USB). I'm worried you're having a radio > device that's > something different and doesn't fit into that. What is the "TX-capable > SDR" you have, and > how does one interface it with GNU Radio? > > > Best regards, > Marcus > > On 2025-12-23 5:45 PM, [email protected] wrote: > > Hi to all! i want to operate CW with an TX-capable SDR with GNU Radio, > but i want to use > > it with a physical CW doble paddle. > > > > ¿Its there any way to manipulate the SDR from the paddle and tx to send > dits and dats? > > > > ¿Any idea if its possible? > > > > > > Thanks to All > > > > Mati LU4BA (Ex LU9CBL) > > > > > > >
