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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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Radio observation in hydrogen line (1420MHz)
April 25, 2025 Admin

Current version of Easy Radio Astronomy used on LRO-H1(Ptarmigan)Hydrogen-Line Radio Telescope 25/4/2025

https://www.astronomy.me.uk/wp-content/uploads/2025/04/ezRA_ProgramsData_from_LRO-H1_RT_250425.zip

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Radio observation in hydrogen line (1420MHz)
April 25, 2025 Admin

Successful test of LRO-H3 Radio Telescope (Alex Pettit Patch Yagi Aerial)

At last, successfully got this working! 13-element Patch Yagi tuned to 1420 MHz by Alex Pettit from USA (member of

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Radio observation in hydrogen line (1420MHz)
April 24, 2025 Admin

Processing LRO-H2 (SCRT) Milky Way Map Data 14 April 2025 – 24 April 2025

My latest attempt to generate a map of the Milky Way at hydrogen line 1420.405 MHz on LRO-H2 radio telescope.

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Aerials & Antennae
April 16, 2025 Admin

Monopole vs Dipole Antennae

Here is an excellent summary of differences between monopole and dipole antennae. This comes from https://resources.pcb.cadence.com/blog/monopole-vs-dipole-antenna and was accessed 16/4/2025:

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Radio observation in hydrogen line (1420MHz)
April 16, 2025 Admin

Testing cable ties to see if they will reduce effectiveness of parabolic reflector waveguide LRO-H2

I used cable ties to locate centre of opening of cantenna waveguide = I tested them in microwave – only

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Radio observation in hydrogen line (1420MHz)
April 14, 2025 Admin

Latest version of IF Average Plug-in for SDR Sharp software

Very useful for radio astronomy – allows astronomer to integrate data collected in SDR# over a period of time. Download

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Radio observation in hydrogen line (1420MHz)
April 14, 2025 Admin

Photos of LRO-H1, LRO-H2, and LRO-H3 hydrogen-line radio telescopes at Lichfield Radio Observatory 14/4/2025

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Radio observation in hydrogen line (1420MHz)
April 13, 2025 Admin

Upgrading waveguide supports and direction pointing indicator on LRO-H2 (SCRT) radio telescope 12/4/2025

Data I have collected so far suggests I am having some flexure in the waveguide supports which changes as the

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Radio observation in hydrogen line (1420MHz)
April 7, 2025 Admin

ezRA has identified an error in the recorded right ascension for data collected with one of the LRO hydrogen line radio telescopes. How does this error in right ascension affect the azimuth measurement that should be used for ezCol .txt data files?

More detail on the issue: The ezRA screen output during processing of data collected from LRO-H2 using ezCol had identified

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Poetry & Songs
April 6, 2025 Admin

Poem: Vastly Vexed at Very Large Array

Vastly Vexed at Very Large Array Poem (c) by Andrew Thornett April 2025 in the style of Robbie Burnes Vast dishes

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Recent Posts

  • Muon Data starting 11/4/2025 from UKRAA Cosmic Watch Muon Detectors
  • A simple way to test an antenna with a NanoVNA
  • UKRAA PicoMuon Muon Detector up and running
  • First Light UKRAA PicoMuon Muon Detector
  • Mr Bean in the Garden

Recent Comments

  1. Admin on Making scaler ring for cantenna on dish – conversation with ChatGPT 2/5/2025
  2. Admin on Making scaler ring for cantenna on dish – conversation with ChatGPT 2/5/2025
  3. Admin on Instructions on using 20m Skynet radio dish at Green Bank Observatory
  4. Francisco Javier Lemus on Instructions on using 20m Skynet radio dish at Green Bank Observatory
  5. Admin on Changing coaxial cable on Solar Cooker Radio Telescope at LRO 2/1/2025

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Categories

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