Using cheap RTL-SDR dongles and Python, [Eric Urban] was able to compare the performance of two shortwave/HF antennas ... a popular digital ham radio mode, which allowed [Eric] to automate ...

The 320-ton rotating curtain antenna in Moosbrunn, Austria, was dismantled this week as part of the decommissioning of the ...

With the audio signal fed to HDSDR, [Aniss] was able to pick up a shortwave radio broadcaster. While this is by no means a high-performance receiver, building an SDR on a breadboard is still a ...

It is no coincidence that Moosbrunn is the location of this unique shortwave transmitter: the area is marshy and the high ...

s Yamata Transmitting Station, the nation’s only facility broadcasting shortwave radio programs to overseas ... in such a way that 18 transmission antennas cover 360 degrees to send broadcasts ...

This new shortwave radio antenna, recently developed, is now installed at Glendale Airport to concentrate radio waves for the aid of airplane pilots and ground attendants with whom they ...