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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey

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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
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October 16, 2025 Admin

Sampling / time resolution (“sample time”) and timing behaviour of the CosmicWatch muon detector.

Here’s what I found on the sampling / time resolution (“sample time”) and timing behaviour of the CosmicWatch muon detector: Key

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October 16, 2025 Admin

How does the flat sides of a corner reflector effectively channel the radio signal onto the waveguide?

That’s a neat question — it sounds a bit counter-intuitive at first! https://www.astronomy.me.uk/wp-content/uploads/2025/10/1000036614-161025.png Here’s why a corner reflector antenna doesn’t just

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October 16, 2025 Admin

Dimensions of horn antenna for hydrogen line radio astronomy

Yes — the dimensions of a horn antenna really matter for hydrogen line (1420 MHz, λ ≈ 21 cm) observing. The

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October 16, 2025 Admin

GNU Radio Companion GRC file used for test of alternative to ezCol with SDRplay RSPduo for data collection for later analysis by ezRA on LRO-H2 radio telescope 16/10/2025

I am just about to use the following file on the Solar Cooker Radio Telescope (LRO-H2) as part of a

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October 15, 2025 Admin

Draft process for getting URSP B210 Software-Defined Radio to work on Windows version of GNU Radio.

This is a draft document, and I cannot confirm it works – you also use it at your own risk!

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October 15, 2025 Admin

With the non-calibrated Spectrum Y scales of ezRA / GNU radio,, how can hardware performance be compared and changes evaluated ?

That is the plus for the SDR Sharp > IF Average Plug-in for SDR Sharp > H-Line 3D software sequence,

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October 15, 2025 Admin

Using USRP B210 SDR with GNU Radio Win10 revised 14/10/2025

Collated document I have put together, which I think might tell people how to do this……no promises! I got it

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October 15, 2025 Admin

First output from SDRplay RSPduo GNU Radio based on modified DSPIRA GRC using small handheld Moxon aerial on aerial input 1 of 2 — 15/10/2025

This will not be Milky Way as inside and Doppler shift on the 1420 MHz line too big – about

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October 15, 2025 Admin

Computer Monitors and 1420 MHz Radio Frequency Interference (RFI)

The short answer is: most computer monitors do not directly emit significant power at 1420 MHz, but they can produce

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October 15, 2025 Admin

How to install “.appimage” files in Linux Ubuntu

How to install “.appimage” files in Linux Ubuntu Yes, Linux; the Linux packages are distributed as an “.appimage” for 32-bit

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Recent Posts

  • New revised SDRplay version 23/10/2025 of Ted’s original ezRA GNU Radio Data Collection Script from 20/10/2025
  • Data files from LRO-H2 created using draft SDRplay GNU Radio Software and SDRplay RSPduo SDR 21-23/10/2025
  • New Beta GNU Radio script to generate ezRA .txt data files that can be processed in ezRA
  • Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross
  • Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross.

Recent Comments

  1. Admin on Adding second monopole onto 1420 MHz cantenna at 90 degrees to first monopole in attempt to improve signal.
  2. John Bailey on Adding second monopole onto 1420 MHz cantenna at 90 degrees to first monopole in attempt to improve signal.
  3. What Is the Lichfield Radio Observatory – astronomy.network The Website of Lichfield Radio Observatory (LRO) on Latest Milky Way 1420MHz hydrogen map from Lichfield Radio Observatory (LRO) 2/12/2024 from data 6/1/2024-30/11/2024
  4. Fly-through of 3D plot of Milky Way Spiral Arms created using data from LRO 1, 2 and 3 radio telescopes from start of data collection to 17 August 2025 (extended 3D slices revised version 4 September 2025) – astronomy.network The Website of Lichfiel on Latest LRO 2D Map of Milky Way Arms 2 September 2025
  5. Fly-through of 3D plot of Milky Way Spiral Arms created using data from LRO 1, 2 and 3 radio telescopes from start of data collection to 17 August 2025 (extended 3D slices version 2 September 2025) – astronomy.network The Website of Lichfield Radio on Latest LRO 2D Map of Milky Way Arms 2 September 2025

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