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astronomy.network The Website of Lichfield Radio Observatory (LRO)

Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net

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  • Live feed from SuperSID monitor
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  • Live feed from UKRAA PicoMuon Muon Detector
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  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
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  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
  • Telescopes at Lichfield Radio Observatory
Radio observation in hydrogen line (1420MHz)
January 22, 2024 Admin

Processing additive interferometer data 21-220124 gain 50 using ezRA

Data from 21-22/1/2024 @ LRO – 5m distance between 2 x Nooelec 1.4GHz 60x100cm mesh aerials

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Attending & talking at conferences and workshops
January 21, 2024 Admin

Talk given to Astronomical Association of Penang on Radio Astronomy 21/1/2024

Click below to view PDF version of this talk. Andy http://astronomy.me.uk/wp-content/uploads/2024/01/Talk-for-ASP-Radioastronomy-meeting-210124-FINAL-120124.pdf

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Radio observation in hydrogen line (1420MHz)
January 14, 2024 Admin

Lessons learnt regarding interferometer yesterday!

Interferometers need hardware bias tees for SAWBird H+ 1420MHz filters with cascaded amplifiers, (which they also need as AD8302 chip

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Radio observation in hydrogen line (1420MHz)
January 8, 2024 Admin

Advice on how to progress with my interferometer based on AD8302 amplitude phase comparator board 8/1/2024

Correspondence with Jan Lustrup: Hi Andy…. You want to test changes of phase between the ports, not frequency! Use the

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Radio observation in hydrogen line (1420MHz)
January 7, 2024 Admin

Schematic of Ted Cline’s Additive Interferometer Nov 2023

Click below to view a schematic of Ted Cline’s Additive Interferometer. Andy http://astronomy.me.uk/wp-content/uploads/2024/01/Schematic-of-Ted-Clines-Additive-Interferometer-Nov-2023.pdf

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Solar
January 6, 2024 Admin

Some of My Best Solar Images up to 6/1/2024

I particularly enjoy photographing the Sun. For this I use following: ZWO 174MM camera. Sky Watcher Equinox 100mm OTA. HEQ5

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Meteor detection by radio
January 5, 2024 Admin

Quadrantids peak at midday Universal Time (8pm Malaysian Time) on 4th January 2024 according to LRO meteor scatter data 143.050MHz

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Meteor detection by radio
January 4, 2024 Admin

LRO Radio Meteor Scatter Experiment shows rise in meteor count with Quandrantid Meteor Shower 4/1/2024

Demonstrating the apparatus works, which I am glad to hear! The RMOB upload below (LRO data) shows clear increasing meteor

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Radio observation in hydrogen line (1420MHz)
December 30, 2023 Admin

Demonstrating likely presence of dark matter in Milky Way at LRO

The two slides below show velocity and mass distribution of Milky Way from LRO data 30/12/2023. Andy

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Observing Night Sky
December 30, 2023 Admin

Telescope storage boxes sold at B&M in UK

aka Christmas Tree storage box – made by Really Useful Box.

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Recent Posts

  • Muon detection using UKRAA Picomuon detector 17/6/2025
  • NanoVNA vs TinySA
  • 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)
  • 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
  • Local Host URL

Recent Comments

  1. Admin on LRO-H1 Map 2 (cf Wikipedia H-Line Map July 2024 proc 260425@2200) – labelled
  2. VK on LRO-H1 Map 2 (cf Wikipedia H-Line Map July 2024 proc 260425@2200) – labelled
  3. QuickLink1 – astronomy.network The Website of Lichfield Radio Observatory (LRO) on Linux Ubuntu for Radio Astronomy: Script to install radio astronomy packages in Ubuntu
  4. Admin on Linux Ubuntu for Radio Astronomy: Michiel Klaassen’s UKRAA CosmicWatch Muon Detector Data Analysis Python Script 16 May 2025
  5. VK on Linux Ubuntu for Radio Astronomy: Michiel Klaassen’s UKRAA CosmicWatch Muon Detector Data Analysis Python Script 16 May 2025

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Categories

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  • Solar Cooker 1.5m Parabolic Dish Radio Telescope
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  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
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