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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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  • SHOOS - SARA Hydrogen-Observing Overall Survey
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Radio observation in hydrogen line (1420MHz)
October 23, 2023 Admin

Effect of retuning software defined radio to 1420.405MHz on output of ezRA suite software 22-23/10/2023

The following link will download the SDRSharp IFAverage data set from last 24 hours – resulting from retuning the SDR

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Radio observation in hydrogen line (1420MHz)
October 20, 2023 Admin

15 day drift scan Zenith (Cygnus complex) 1420MHz

Using Ptarmigan Triffid array. 15 day drift scan. Andy

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Radio observation in hydrogen line (1420MHz)
October 16, 2023 Admin

Questions I am keen to obtain answers to in order to move forward with my 1420MHz observing of hydrogen by radio in Milky Way 16/10/2023

The following PDF file lists questions I am keen to obtain answers to – please feel free to suggest answers

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Radio observation in hydrogen line (1420MHz)
October 16, 2023 Admin

Video of changing 1420MHz plot over several days drift scan 16/10/2023

This is not a great video – but is my first attempt and shows changes in the plot with time.

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Making own Image Intensified EyepiecesObserving Night Sky
October 16, 2023 Admin

Making an image intensified eyepiece from old generation 1 image intensifier tubes (originally published in 2009)

The document below was originally published in 2009 on www.imageintensifer.org.uk – a website that is no longer extant – note

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Radio observation in hydrogen line (1420MHz)
October 16, 2023 Admin

Nooelec mesh antenna tuned to 1.4GHz for hydrogen line radio observing

This new antenna from Nooelec is tuned to 1.4GHz and designed for radio astronomy – currently not available on amazon.co.uk

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Radio observation in hydrogen line (1420MHz)
October 15, 2023 Admin

10 day data set of 1420MHz (hydrogen) radio data with array 5-15/10/23 from Lichfield Radio Observatory (Lichfield, UK)

Following data set is with Ptarmigan Triffid 86cm x 86cm military radio array pointed at Zenith (Cygnus Complex area of

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Radio observation in hydrogen line (1420MHz)
October 14, 2023 Admin

Two latest data sets from my 1420MHz radio telescope (Ptarmigan array) 14/10/2023

Click on links below to download two latest data sets. To download each data set, right click on link with

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Radio observation in hydrogen line (1420MHz)
October 13, 2023 Admin

Calibrating Ptarmigan array antenna using background sky rather than dummy load

In my previous posts, I calibrated my 1420 MHz radio telescope using a 50 Ohm dummy load. This worked well.

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Radio observation in hydrogen line (1420MHz)
October 13, 2023 Admin

Potential solution to making the military band 3 Ptarmigan radio array that I am using for 1420Mhz radio astronomy moveable in azimuth

I have found an 800mm wide Lazy Susan bearing on ebay, hardened against weather, with 250kg load capacity, and am

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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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