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

Pulsars don’t have a single “pulsar frequency” the way spectral lines do — instead they emit broadband radio noise with periodic

This might be of interest to folks interested in amateur hydrogen line radio astronomy – it is the description of

There are quite a few different Nooelec RTL-SDR dongle versions, and the differences mostly come down to tuner chip, frequency range,

How to run snap update on Ubuntu when says can’t update it as running? Quick answer – summary of discussion

How to Run a Shell Script in Linux From https://www.geeksforgeeks.org/linux-unix/how-to-run-shell-script-in-linux/ (23/11/2025) How to Execute Shell Script in Linux? A shell script is