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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey

astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
Radio observation in hydrogen line (1420MHz)
October 29, 2023 Admin

Sorting humidity problem with computer under 1420MHz array 29/10/23

Terrible humidity problem – I had mounted receiver on piece of wooden board and fungus growing on it and each

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Radio observation in hydrogen line (1420MHz)
October 29, 2023 Admin

1420Mhz data up until 29.10.2023

Collected using Ptarmigan array Processed using ezRA suite Plots below – data so far covers 2 data points – both

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Radio observation in hydrogen line (1420MHz)
October 26, 2023 Admin

Dimensions of Ptarmigan Triffid Array

Whole array = 86 x 86cm in size 4 x 4 pattern of dipole aerials Each dipole = 97mm in

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Radio observation in hydrogen line (1420MHz)
October 26, 2023 Admin

Installing Ptarmigan Triffid array on new wooden mount to allow changes in elevation/altitude for radio observations at 1420.405MHz (hydrogen line)

I have now installed the 86 x 86cm military array on my new wooden mount and pointed it south Andy

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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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Recent Posts

  • Comparing H-Line Cantenna Dimensions different diameters of the can
  • Calculating dimensions for 1420 MHz hydrogen line cantenna to use as waveguide for 150cm dish
  • SETI League Excel Spreadsheet Templates (Calculators)
  • Suggested dimensions for a 3 metre H-Line Aperture Horn Antenna
  • Notes on SETI-style “Horn of Plenty” horn antenna tuned to H-Line

Recent Comments

  1. Admin on What is a geodesic parabolic dish?
  2. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  3. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  4. Yoshi Takeyasu on What is a geodesic parabolic dish?
  5. Adrian Clausall on Julian Palmer Design Monopole Probe Assembly for Cantenna 12/12/2025

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