From Dave’s brilliant data set suppled 27/11/2025 – (c) Dave Bracey 2025 – all rights reserved. Taken using Dave’s 150cm

✅ When copper-wire properties start to matter. 1. Inductance becomes noticeable around ~10 kHz and up A typical straight copper

An inductor is one of the simplest components in electronics, but its behaviour comes from a deep physical effect: a

How Resonant RF Circuits Work: Resonant RF (radio-frequency) circuits—also called LC resonant or tuned circuits—use an inductor (L) and a capacitor

In the SAWBird line of LNAs (e.g., for 1420 MHz, GPS, L-band), the SAW filter is the component that provides the ultra-narrow

In a radio telescope’s noise budget, spillover and ground reflection are two distinct ways unwanted radiation enters your receiver. They’re related but

You can get a Raspberry Pi disk image in a few different ways depending on what you mean: 1. Downloading

Material choice affects an antenna’s efficiency, bandwidth, durability, and mechanical practicality. Here’s a concise breakdown of what really matters: 1.

Andrew Thornett: I could see potential benefit for having LNA at constant temperature. The easiest way to achieve that is

Short answer: the most expensive single-component front-end parts used for 1.420 GHz (H-line) work are cryogenic HEMT/InP LNAs and the associated cryogenic