Dip in Muons detected on the UKRAA PicoMuon detector at LRO 20/1/2026: Yes — they’re very likely related. Here’s why: 📡 What happened on 19–20 January 2026 🌍 How CMEs…
Short answer: no — not by itself 🙂 The QT GUI Vector Sink does not inherently show frequency offset from centre. It just plots whatever numbers you feed into it,…
Nice, this is a very GNU Radio–ish question 🙂 In GNU Radio, a complex number doesn’t have a “positive” or “negative” sign the way a real number does. If you…
How to figure flush value for GMU Radio GRC flowgraph which changes frequencies regularly and where saved data must not include data from previous frequency? Great question — this bites…
Hi Andy, You recently asked a question on the SARA forum “I notice that the SETI Horn of Plenty is a smaller version of the original Ewen Horn that first…
Presentation for meeting: https://www.astronomy.me.uk/wp-content/uploads/2026/01/Talk-Demo-BAA-GNU-Radio-Meeting-DRAFT-260126@2300.pdf Andrew Sutowski’s attempt to answer homework from last meeting: My own attempts to answer homework from last meeting: Exercise: Create your own AM radio: https://www.astronomy.me.uk/wp-content/uploads/2026/01/BAA-GNU-Radio-Meeting-Exercise-AM-Radio-201225.zip Exercise:…
Is there push button block in GNU Radio Companion? Yep — there is 👍 In GNU Radio (QT GUI) you’ve got a couple of button-style options, depending on what behavior…
Same frequency, physically bigger horn — not frequency scaling.This is where horns stop being “just scaled” and start being designed. Short answer first:You increase the aperture size, but you do…
Short answer: it scales linearly with wavelength.Longer answer (the bit you actually care about 🙂): For a hydrogen-line horn (≈1420 MHz, λ ≈ 21 cm), the flare geometry is set…
Following is result of asking ChatGPT the above question 27/1/2026!!!! Here’s a source that actually describes the original SETI Horn of Plenty antenna design and its dimensions: 🔗 SETI League…
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