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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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  • SHOOS - SARA Hydrogen-Observing Overall Survey
  • Telescopes at Lichfield Radio Observatory
Radio observation in hydrogen line (1420MHz)
October 10, 2023 Admin

Drift scan of Milky Way at 1420MHz using data 5-10/10/2023

I now think that my data from 5th October onwards is the best data set to use – data before

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Radio observation in hydrogen line (1420MHz)
October 8, 2023 Admin

Four day drift scan of Milky Way at 1420MHz (hydrogen) using SDR+Triffid array from Lichfield, UK

The following plots come from data from 4-8/10/23 = I have removed previous data which was causing some issues with

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Radio observation in hydrogen line (1420MHz)
October 7, 2023 Admin

Making homemade wooden manual mount for Triffid array antenna September/October 2023

Up until now, I have been using the Triffid array on concrete blocks to point it at the zenith of

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

Data from IFAverage Plug in in SDR# from LRO hydrogen line observing kit 5/1023 (ZIP file):

Software defined radio. 1420MHz filter. Ptarmigan Triffid military phased array antenna (86cm x 86cm) http://astronomy.me.uk/wp-content/uploads/2023/10/SDRSharpIFAvg_Data-051023.zip

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

5 day drift scan results of Milky Way through Zenith (Cygnus region) with SDR+HNA+Ptarmigan Triffid military array antenna (array antenna = 86x86cm total size)

Now got 5 days of data – day 3 not synchronised with rest – I think due to my changing

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

Frustration, Frustration, FRUSTRATION, AHHHH! Hydrogen line radio observing can be hell!

After my previous posts in which I have very excitedly described my recent successes observing Milky Way at 1420MHz, I

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Meteor detection by radio
October 4, 2023 Admin

Meteor radio observations for Lichfield Radio Observatory visible on the web

My meteor observations from Lichfield Radio Observatory are now available online via the RMOB website: https://www.rmob.org/#Andrew%20Thornett Andy

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Radio observation in hydrogen line (1420MHz)
October 3, 2023 Admin

72 hour drift scan through Zenith (Cygnus part of Milky Way)

My drift scan has now reached 3 days – the repeated high signal of Milky Way can be seen in

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VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
October 3, 2023 Admin

When there is too much gain on VLF SID Receiver!

I am grateful to the help of Andrew Thomas yesterday for helping me to tune my very low frequency (VLF)

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Radio observation in hydrogen line (1420MHz)
October 2, 2023 Admin

Results of two day drift scan of Milky Way at 1420MHz (hydrogen line) using SDR, HNA and Phased Array.

On the plot below, the bright orange areas indicate when high signal has been detected, and green dots represent my

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Recent Posts

  • How to get galactic coordinates 20/7/2025
  • Initial data analysis M81-M82 from 20m Skynet Radio Telescope Observations by Jason Burnfield and Andrew Thornett 10/7/2025
  • LRO-H2(SCRT) ezRA 191 plot showing how effective is at removing noise 20/7/2025
  • How to add programs to start up folder in Windows 10
  • Planned observations of M81 and M82 using 20m Skynet dish at Greenbank Observatory (Jason and Andrew)

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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