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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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  • History and description of Lichfield Radio Observatory (LRO)
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  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • 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)
September 2, 2024 Admin

Comparison of performance 21cm Yagi vs Ptarmigan array for hydrogen line observation

Data collected using ezRA suite and analysed with same software. Link below to PDF of Ted Cline’s analysis of the

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Spectroscopy
September 1, 2024 Admin

Pack for attendees at Rosliston Astronomy Group Spectroscopy Processing Session Sept 2024

You need to bring a fully charged laptop to the session with you. In advance of the session, download the

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Radio observation in hydrogen line (1420MHz)
August 31, 2024 Admin

Comparing Ptarmigan and 21cm Plate Yagi data at LRO, collected over few days 26-31/8/2024 – processing both data sets in ezRA

I used ezRA software suite to process the data set presented in the post: https://www.astronomy.me.uk/comparing-pharmigan-and-21cm-plate-yagi-data-at-lro-collected-over-few-days-26-31-8-2024 Both aerials pointed 163 degrees

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Radio observation in hydrogen line (1420MHz)
August 31, 2024 Admin

Comparing Ptarmigan and 21cm Plate Yagi data at LRO, collected over few days 26-31/8/2024 – the data set

Dear Ted, I have been collecting Ptarmigan Array and Alex Pettit 21cm Plate Yagi data at similar elevation and same

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Poetry & Songs
August 30, 2024 Admin

My Songs up to 30/8/2024

A bit of fun! Creating some tunes – mostly about astronomy. All (C) Andrew Thornett 2024. Please contact me via

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My interests in astronomy
August 26, 2024 Admin

My current interests in astronomy 26/8/2024

At moment my interests are mainly solar and radio astronomy, although my background is in visual observing. Here are some

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Radio observation in hydrogen line (1420MHz)
August 25, 2024 Admin

Results of shootout between Alex Pettit 21cm Yagi and Ptarmigan ex-military array (band 3)

Nooelec H1 LNA on both Recorded similar time period in few days up to 25/8/2024. ezRA software – ezCol for

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Radio observation in hydrogen line (1420MHz)
August 23, 2024 Admin

Alex Pettit 21cm hydrogen plate Yagi antenna – data 21-23/8/2024 at 163 degrees azimuth, 77 degrees altitude

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Radio observation in hydrogen line (1420MHz)
August 23, 2024 Admin

Results of first full drift scan of sky with Alex Pettit 21cm Patch Yagi Antenna from LRO.

Data collected and processed in ezRA suite. The graph below can be seen to peak when crosses Milky Way x2

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Radio observation in hydrogen line (1420MHz)
August 22, 2024 Admin

First Light Data Process with Alex Pettit 21cm Plate Yagi @ LRO 22/9/2024

This involved only a few hours of data collection at one elevation, and was done to demonstrate that hydrogen was

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Recent Posts

  • 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
  • How to change from internal to external speakers on Dell Precision M6800 laptop
  • Evidence for existence of dark matter

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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  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
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