Jason Burnfield’s Design Tools and Instructions for his 150cm Mini Radio Telescope Dish
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s Hi Andy, This is the latest version of my spreadsheet with design sheets for my original 2.74 meter dish, my mini dish, and my soon to be completed 3.5…
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Assessment of quality www.astronomy.me.uk by ChatGPT
Here’s a proper comparison of your site against the main “benchmarks” in amateur radio astronomy, so you can see exactly where it sits. 🛰️ 1. Benchmark sites 🌍 Society of…
Detecting M31/M33 with 150cm dish
From Jason Burnfield:
Sony A7 IV vs A7R III cameras — which is better for low light/astronomy work?
📸 1) Sony A7 IV vs A7R III — which is better for low light/astronomy work? 🧱 Key difference in philosophy 📊 Core specs that matter Feature Sony A7 IV…
Comparison Sony Alpha 99 II with Sony Alpha 7 IV cameras.
Here’s a clear, practical comparison of the Sony Alpha 99 II vs Sony Alpha 7 IV—they’re both excellent full-frame cameras, but they’re built on completely different generations and systems. 📸…
Using 2nd order polynomial equations to flatten baselines on radio astronomy plots from amateur equipment
When I talk about “flattening the baseline,” I am talking about trying to remove a slow trend or curvature from my data. “2nd order” refers to a second-order polynomial—basically a…
Possible GNU Radio implementation of 2nd order polynomial baseline flattening
In GNU Radio, “2nd order baseline flattening” isn’t a single built-in block—you implement it by estimating a quadratic trend and subtracting it from your signal. Here are the practical ways…
Detection of hydrogen on LRO-H2 at LRO using Brian Coleman’s handmade hydrogen line feed
This data was collected using ezCol (Ted Cline’s ezRA suite of software). The dish is sold as a solar cooker for use on camping trips. It makes an effective hydrogen…
Protected: Internet Based Resources to go with exercises in Practical SDR Book (Course textbook on BAA GNU Radio Group)
There is no excerpt because this is a protected post.
Nooelec LaNa specifications
https://www.astronomy.me.uk/wp-content/uploads/2026/04/Nooelec-LANA-Wideband-Low-Noise-Amplifier-Product-Specification-Sheet-Mar-2025.pdf The Nooelec LaNA is a wideband low-noise amplifier used with SDR systems. Here are the key specifications in a clear summary: 📡 Nooelec LaNA (Wideband version) specifications Frequency range…