Minimising spillover with small diameter dishes
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With small diameter dishes, a beam-narrowing Feed Choke Ring is a bit large. It might be preferable to build a dish with an f/D ratio ~ 0.27 – 0.30 to…
2026
Website which let’s you look for ISS, CSS, and Hubble, along with Starlink trains
This website agrees with the ISS tracker, but let’s you look for ISS, CSS, and Hubble, along with Starlink trains. You can look at the Sun, the Moon and the…
Website for the UKRAA Central Server of PicoMuon data
http://ukraa.com/muon
What is the link equation (also known as the link budget equation) and how does it apply to amateur radio astronomy?
When reading this post, also consider the comment made by Alex Pettit at the bottom of the post. The link equation can be written as: where: In free space, the…
What is the link equation (also known as the link budget equation)?
link equation In telecommunications, the link equation (or link budget) is a fundamental calculation used to determine whether a wireless signal will be received intelligibly. It evaluates signal strength by…
Can I use the PicoMuon muon detector from UKRAA stand alone without attached computer and of so how do I do it?
Yes. The UKRAA PicoMuon detector is designed to work as a completely standalone instrument and does not require a computer to detect or log events. The detector has its own…
Attractions in London for amateurs with interest in science and astronomy.
If you’re interested in science and astronomy in London, the two standout destinations are: 1. Science Museum Located in South Kensington, this is London’s premier science museum. Highlights include: The…
What is probability of scattering of muons with lead?
For relativistic muons, the RMS multiple-scattering angle in lead is approximately: theta0 = (13.6 MeV / beta pc) * sqrt(x/X0) * where: Example: a 3 GeV muon passing through 1…
What % of muons survive to sea level?
Muons are created high in the atmosphere, typically at altitudes of about 10-15 km. Their mean lifetime at rest is only about 2.2 microseconds, so without relativistic effects almost none…
What is capacity of Lidl Supermarkets Ultimate speed jump starter with lithium ion power bank?
The current Lidl ULTIMATE SPEED Portable Jump Starter With Power Bank battery specification is: For your PicoMuon, the important figure is the 6,650 mAh at 5 V, since that’s what…