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Small Portable Rotator:
a simple, lightweight, self-consistent antenna rotator for amateur radio satellite tracking, plus an optional portable controller.
*** CHANGELOG ***
[version 1.0]:
- Added tighter control over rotation limits
- Fixed some minor bugs
- With the 'V' command the version is displayed and no longer the "built filename"
CWStudio is a portable almost library-independent and computationally efficient generator of CW signals for telegraphy training purposes. It can create a sound with maximum similarity to the real air, simulating many difficulties.
finds exact gain, directivity and input impedance of Yagi or log-periodic antennas (planar symmetric array of cylindrical dipoles, many driven elements) for a range of specified frequencies, integrates 2D for segments on the same element, moment method
A cross platform Python frequency scanning GUI for rtl-sdr
A cross platform Python frequency scanning GUI for USB TV dongles, using the OsmoSDR rtl-sdr library.
In other words a cheap, simple Spectrum Analyser.
More information can be found at:
http://eartoearoak.com/software/rtlsdr-scanner
An installer and standalone versions for Windows are located here:
https://github.com/EarToEarOak/RTLSDR-Scanner/releases
Sources are available on GitHub:
https://github.com/EarToEarOak/RTLSDR-Scanner
** The up to date installer is no longer...
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Simple Lossless Ad-hoc Protocol (SLAP) is designed to be used for wireless digital data transfer on embedded systems. The program is built for uClinux, a derivative of Linux designed for embedded microcontrollers, but can be easily ported.
Decoding the (german) DCF77 time signal per USB sound card and a receiver module, setting the system time. "U" stands for USB and "77,5" for the full 77.5 kHz frequency of the time signal.