“Cubesat in a Box” – design development as of 15 June 2026
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So far, the design has developed as far as the use of an UKRAA PicoMuon muon detector and a power bank providing many hours of 5V power and ability to…
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Ultimate speed power bank with compressor UPK 10 H5 from Lidl Supermarket, UK
15 June 2026: Purchased Lidl Ultimate speed power bank with compressor UPK 10 H5. Provides 5V and 12V outputs. Tests at LRO have shown the power bank remains switched on…
What are attachments for power banks that keep them always on called? I need an always on power bank to power my UKRAA PicoMuon muon detector during my trans-atlantic airflight of month for my altitude muon detection experiment
They’re usually called “keep-alive loads” or “dummy loads” (less commonly “load resistors”). In practice you’ll see them sold under a few more consumer-friendly names: What they do Most power banks…
Where to putxhase Norsat 9000LD LNB needed for 22GHz maser observations
The Norsat 9000LD series is a professional Ka-band DRO LNB used for satellite communications rather than consumer satellite TV. Norsat still lists the 9000L series as a current product. I…
How do I add 3 logarithmic numbers together?
To add three logarithms with the same base: log(a) + log(b) + log(c) = log(abc) Example: log10(2) + log10(3) + log10(5) = log10(2 * 3 * 5) = log10(30) If…
Which battery should I use for the Parkside 12V cordless polisher/sander that I am using to make radio telescope mounts at LRO?
For the Parkside 12V cordless polisher/sander (the 75 mm model), there is little practical difference between using a PAPK 12 A3 and a PAPK 12 A4 battery. Both are 12…
What types of GUI inputs blocks are available in GNU Radio?
In GNU Radio, “GUI inputs” are mainly implemented through Qt (modern, default) or WX (legacy) GUI blocks, plus a few message-based controls in the flowgraph. They let you change variables…
Original auction catalogue descriptions of the TV1 Minicaster I purchased.
Description on BROADCASTbargains website: TV1 Minicaster Satellite Dish Pointer A rare satellite dish pointing system, once part of a KA-SAT outside broadcast uplink van, is being offered for auction. The…
SARA video that discusses measuring Tsys in hydrogen line amateur radio astronomy systems
https://youtube.com/watch?v=4gVUFFxra-U&si=qBMd3ExnKxtG1oC0