---
name: "lysdr"
section: "1"
platform: "linux"
package: "lysdr"
version: "1.0~git20141206+dfsg1-1+b1"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/lysdr"
---

# lysdr(1)

simple software-defined radio

## NAME

lysdr - simple software-defined radio

## SYNOPSIS

lysdr \[OPTIONS\]

## DESCRIPTION

A simple SDR application that takes an IQ source, either a soundcard or a prerecorded file, and produces a waterfall and allows demodulation using either USB or LSB.

## OPTIONS

-

  ### Help Options:

- **-h**, **--help**

  Show help options

- **--help-all**

  Show all help options

- **--help-gtk**

  Show GTK+ Options

### Application Options:

- **-H**, **--horizontal**

  Horizontal waterfall

- **--ci**

  Autoconnect input to first two jack capture ports

- **--co**

  Autoconnect output to first two jack playback ports

- **-f**, **--freq**=*FREQUENCY*

  Set the centre frequency in Hz

- **-F**, **--fft-size**=*FFT\_SIZE*

  Set the FFT size (default=1024)

- **--tuning-hook**=*PROGRAM*

  Program to run when tuned frequency changes

- **--display**=*DISPLAY*

  X display to use

## AUTHORS

lysdr is Copyright © 2010-2014 Gordon JC Pearce MM0YEQ and contributors.

## COPYRIGHT

This manual page is Copyright © 2014 Iain R. Learmonth.

This manual page was written for the Debian system (but may be used by others).

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at your option) any later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-2.