- Personal site dedicated to amateur radio. About me and my activities. This is also a homepage for Maternal and Neonatal Health Central Java Online, The Indonesian Society for Perinatology, Matweb Network
National Weather Service Marine Forecasts
- Amateur radio, commonly referred to as "Ham" radio, is popular among the yachting and small boat community as a means of providing communications and receiving weather information.
- Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD
- FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.