RTLSDR Scanner

Copyright 2012, 2013 Al Brown

al [at] eartoearoak.com

A cross platform Python frequency scanning GUI for the OsmoSDR rtl-sdr library.

Full details can be found here

Tested on:

• Windows 7 (x86 and x64)
• Ubuntu 12.04 (x86)
• Ubuntu 12.10 (x64)
• OS X Snow Leopard

Binaries

Test binaries can be found on SourceForge

Requirements

• Python 2.6 or greater
• wxPython
• matplotlib
• numpy
• rtlsdr
• pyrtlsdr

To test for missing libraries run rtlsdr_scan_diag.py

Windows 64 bit modules can be found here

OS X users report success using Homebrew, if you have problems with imports this page may help (thanks @edy555).

Usage

rtlsdr_scan [file]

file - optional saved scan file to load

Main Window

• Start - Scan start frequency
• Stop - Scan stop frequency
• Dwell - Sampling time spent on each step
• FFT Size - FFT size, greater values result in higher analysis precision (with higher sizes dwell should be increased)
• Continuous update - Update the display on each step (caution only use with small scans and low dwell times)
• Grid - Show a grid on the scan

File Menu

• Open... - Open a saved scan
• Save As... - Save a scan
• Export... - Export a scan to a CSV file

Scan Menu

• Start - Start a scan
• Stop - Stop a scan

View Menu

• Preferences - Set dongle gain, calibration, Local Oscillator and the sample bands to use

Tools Menu

• Compare - Compare two previously saved scans
• Auto Calibration - Perform a crude calibration of the dongle to a known signal (this should be a continuous, unwavering signal)

License

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.