QW Telnet DX-Cluster
- One of the first DX-Cluster Telnet Clients ever.
QWTelnet is a DX-Cluster telnet-programm and SOTAwatch parser with audio alerts, so that you not always have to pay attention to the screen.
- A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications
30 m Band Direct Conversion Receiver
- The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.