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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

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,