Weight of a 5 ft × 5 ft sheet of fine aluminium window screening. Let’s work it out step by step: 5 ft×5 ft=25 ft^2. 25 ft^2×0.035 lb/ft^2≈0.875 lb. That’s…
The RTL-SDR Blog V4, which uses the RTL2832U ADC and R828D tuner, has the following sampling rate characteristics according to its datasheet: In practice, most users find that setting a…
They sound similar, but they serve different purposes in the signal chain: LNA (Low-Noise Amplifier) LNB (Low-Noise Block Downconverter) ✅ In short:
Reproduced from Wikipedia 9/9/2025. Fast Fourier transform A fast Fourier transform (FFT) is an algorithm that computes the discrete Fourier transform (DFT) of a sequence, or its inverse (IDFT). A…
From Ted Cline 9/9/2025: The spike at frequency zero is just a consequence of the fact that your signal does not have an average of zero. The value at “frequency…
Here’s your image of Harwell Campus to set the scene: Meteorology-Relevant Facility at Harwell Campus RAL Space (Science and Technology Facilities Council) stands out as the key facility at Harwell…
Great question! Phased arrays and aperture synthesis are closely related in radio astronomy and antenna engineering, but they’re not identical. Here’s a clear breakdown: Phased Arrays Aperture Synthesis Relationship ✅…
Admin