In an SDR, three related but distinct concepts often get mixed together: frequency, bandwidth, and sample rate. Here’s how they actually fit together: 1. Frequency (centre frequency) This is simply…
Just finished painting it in livery of LRO (silver grey) – previously was white with most of white paint missing! Andy
That happens because the chat interface renders equations nicely on-screen, but when copied, the raw Markdown or LaTeX comes through in a less readable form. Here are a few ways…
These are possibly the Five Most Important Equations in Practical Observational Astronomy
From Marcus D. Leech: Probe placement with regards to the distance from the back-short, probe length, and positioning of the waveguide at the proper dish<>feed spacing. That is, if you…
This analysis is for a friend who has made this upgrade. The largest diameter dish we are currently using at LRO is 150cm dish made of 6 petals – soon…
You can’t usually change a normal Python‐level GNU Radio variable after the flowgraph has started, but there are workarounds = you can make a variable externally adjustable while the script…
https://www.astronomy.me.uk/wp-content/uploads/2025/11/URSP-B210_RTLSDR_RSPduo_Stereo_FM_Receiver_181125a.zip
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