The PMSDR is a small, low-cost, HF bands full coverage “Software Defined Radio” receiver that use a computer USB port and delivers I-Q audio signals to the PC’s sound card. It was designed by Martin Pernter IW3AUT and it’s similar to the “SOFTROCK XTALL project”, but with many more features. This way a great many hams can listening all shortwave bands that can be achieved by having just a low cost hardware working with the powerful (free) software WinRadwritten by Alberto I2PHD and now also with Jeffrey’s Winrad, PowerSDR-IQ,G8JCFSDR and SDR-SHELL (for Linux) on the PC. A powerful DLL Interface provide the PMSDR as bidirectional tunable Panadapter, and many possibilities to interface the PMSDR to other software and/or transceivers. There are also: WinRadHD (by DG0JBJ), a special version of WinRad V1.32 optimized for Netbooks and with many other additional features. WRplus (by Sandro Sfregola), a special version of WinRad with powerful DSP improvments and and additional FM Demodulators.
Antennas Remote Lightning Protection
Amateur Radio Antenna Remote Disconnect for Lightning Protection from alk on Vimeo.
Video by Art K4FWJ
A single lightning strike can destroy thousands of dollars worth of radio equipment. Experienced...