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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Live feeds at Lichfield Radio Observatory (LRO)
  • Calculators
  • Telescopes & Associated Equipment at Lichfield Radio Observatory
  • History and description of Lichfield Radio Observatory (LRO)
  • Publications & Presentations
  • Links to other observers’ SID monitoring sites
  • SHOOS – SARA Hydrogen-Observing Overall Survey
  • Contact me
Radio Interferometry

Software packages and algorithms used to convert radio interferometer readings into images/CASA (Common Astronomy Software Applications)

Admin June 28, 2025 No Comments

Several software packages and algorithms are used to convert radio interferometer readings into images, with the most common being the “CLEAN” family of algorithms and the Common Astronomy Software Applications…

Muon Detection

New Grafana dashboard for my 2 Cosmic Watch Muon Detectors 28/6/2025

Admin June 28, 2025 No Comments

(This is separate from my PicoMuon Detector). This new domain URL below provides access to data dashboard from the 2 older detectors (click on link): https://cosmicwatch.astronomy.me.uk Please feel free to…

Muon Detection

Muon detection using UKRAA Picomuon detector 17/6/2025

Admin June 17, 2025 No Comments

Graphs as of 17/6/2025: Daily graph from 16/6/2025: Latest weekly results: Latest monthly results:

NanoVNA Testing radio astronomy equipment

NanoVNA vs TinySA

Admin June 17, 2025 No Comments

The TinySA and NanoVNA are both compact, affordable test instruments used in radio frequency (RF) and electronics work, but they serve different primary purposes: 🔍 TinySA (Tiny Spectrum Analyzer) Purpose:A…

Radio observation in hydrogen line (1420MHz)

3D plot in Rinearn3D from Alex Pettit 13-element 1420 MHz Yagi at LRO clearly showing two spiral arms 0-90 degrees longitude (data up to 5/6/2025)

Admin June 12, 2025 No Comments
Linux for Radio Astronomy

Linux Ubuntu for Radio Astronomy: Common causes and fixes when you’re already in the dialout group but still get “permission denied” when accessing /dev/ttyUSB0

Admin June 9, 2025 No Comments

If you’re already in the dialout group but still get “permission denied” when accessing /dev/ttyUSB0, here are the common causes and fixes: 1. You need to log out and log…

Computer equipment for astronomy

Local Host URL

Admin June 9, 2025 No Comments

The localhost URL is typically “http://localhost” or “http://127.0.0.1“. This address allows your computer to communicate with itself, often used for testing web applications locally.

Computer equipment for astronomy

How to change from internal to external speakers on Dell Precision M6800 laptop

Admin June 9, 2025 No Comments

To make your Dell Precision M6800 automatically or manually switch from internal speakers to external speakers (e.g., via the 3.5mm headphone jack or external audio device), follow these steps depending…

Radio observation in hydrogen line (1420MHz)

Evidence for existence of dark matter

Admin June 9, 2025 No Comments

Evidence for dark matter comes from multiple, independent lines of observation across astrophysics and cosmology. Here are the main ones: 1. Galaxy Rotation Curves 2. Gravitational Lensing 3. Cosmic Microwave…

Linux for Radio Astronomy

Linux Ubuntu for Radio Astronomy: ACM0 Service for PicoMuon

Admin June 7, 2025 No Comments

The error message: means that systemd can’t find a service file named PicoMuonACM0.service. To resolve this, you’ll need to create, place, or enable the service file correctly. Here’s how to…

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Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
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  • LRO-H1 Radio Telescope (86cm x 86cm Ptarmigan Triffid 4×4 Dipole Array)
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  • Muon Detection
  • My interests in astronomy
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  • Solar Cooker 1.5m Parabolic Dish Radio Telescope
  • Spectroscopy
  • Testing radio astronomy equipment
  • The 20 Metre Skynet Radio Dish at Green Bank Observatory
  • Uncategorized
  • USRP B210 Software-Defined Radio
  • Videopad Software
  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
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Recent Posts

  • Wind damage to LRO-H3
  • Online interdigital RF cavity filter designer
  • Alex Pettit’s new RFI removal regime in H-Line 3D
  • Tell me what a SID (Sudden Ionospheric Disturbance) is and what range of frequencies are covered when monitoring for SIDs.
  • Protected: Resources for BAA GNU Radio for Radio Astronomy meeting 9/3/2026

Recent Comments

  1. Admin on Signal attenuation (loss) for common coaxial cables at around 1.42 GHz (1420 MHz), relevant for builders of amateur Hydrogen Line radio telescopes.
  2. Alex Pettit on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  3. Alex Pettit on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  4. Bill S.N. on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  5. Stephen Arbogast on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?

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You missed

Uncategorized

Wind damage to LRO-H3

Uncategorized

Online interdigital RF cavity filter designer

Uncategorized

Alex Pettit’s new RFI removal regime in H-Line 3D

Uncategorized

Tell me what a SID (Sudden Ionospheric Disturbance) is and what range of frequencies are covered when monitoring for SIDs.

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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

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