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

Astronomy observatory in Staffordshire, England.

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

Astronomy observatory in Staffordshire, England.

  • Live feeds at Lichfield Radio Observatory (LRO)
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Radio observation in hydrogen line (1420MHz)

Dimensions of Ptarmigan Triffid Array

Admin October 26, 2023 1 Comment

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

Radio observation in hydrogen line (1420MHz)

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

Admin October 26, 2023 2 Comments

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

Radio observation in hydrogen line (1420MHz)

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

Admin October 23, 2023 No Comments

The following link will download the SDRSharp IFAverage data set from last 24 hours – resulting from retuning the SDR to 1420.405MHz – not quite sure why plots from ezRA…

Radio observation in hydrogen line (1420MHz)

15 day drift scan Zenith (Cygnus complex) 1420MHz

Admin October 20, 2023 No Comments

Using Ptarmigan Triffid array. 15 day drift scan. Andy

Radio observation in hydrogen line (1420MHz)

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

Admin October 16, 2023 No Comments

The following PDF file lists questions I am keen to obtain answers to – please feel free to suggest answers in the comment box. Andy http://astronomy.me.uk/wp-content/uploads/2023/10/Outstanding-Questions-re-1420MHz-observing-161023.pdf

Radio observation in hydrogen line (1420MHz)

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

Admin October 16, 2023 No Comments

This is not a great video – but is my first attempt and shows changes in the plot with time. The telescope was pointed at the Zenith (Cygnus Complex area…

Making own Image Intensified Eyepieces Observing Night Sky

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

Admin October 16, 2023 No Comments

The document below was originally published in 2009 on www.imageintensifer.org.uk – a website that is no longer extant – note any current version of that website name is not related…

Radio observation in hydrogen line (1420MHz)

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

Admin October 16, 2023 No Comments

This new antenna from Nooelec is tuned to 1.4GHz and designed for radio astronomy – currently not available on amazon.co.uk but is available on amazon.com Currently listed as “Nooelec Satellite…

Radio observation in hydrogen line (1420MHz)

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

Admin October 15, 2023 No Comments

Following data set is with Ptarmigan Triffid 86cm x 86cm military radio array pointed at Zenith (Cygnus Complex area of Milky Way) for 10 day period. It also includes the…

Radio observation in hydrogen line (1420MHz)

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

Admin October 14, 2023 No Comments

Click on links below to download two latest data sets. To download each data set, right click on link with mouse and then select <Save As> in order to save…

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Recent Posts

  • When making a VLF loop antenna to monitor SIDs, do you get better signal using less copper wire but on a bigger frame?
  • Very Low Frequency (VLF) Aerials at Lichfield Radio Observatory (LRO)
  • Latest Spectrum Lab USR settings file that works successfully with LRO 134cm VLF aerial with direct input into USB soundcard and Spectrum Lab Software as of 16/3/2026
  • How long does a photon take to cross 10cm space?
  • What amateur deep space network groups are picking up signals from deep space probes?

Recent Comments

  1. Admin on Signal attenuation (loss) for common coaxial cables at around 1.42 GHz (1420 MHz), relevant for builders of amateur Hydrogen Line radio telescopes.
  2. Alex Pettit on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  3. Alex Pettit on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  4. Bill S.N. on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?
  5. Stephen Arbogast on How can a 50 ohm resistor be used to produce reference signal on a radio telescope with 50 ohm impedance?

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You missed

Uncategorized

When making a VLF loop antenna to monitor SIDs, do you get better signal using less copper wire but on a bigger frame?

Uncategorized

Very Low Frequency (VLF) Aerials at Lichfield Radio Observatory (LRO)

Uncategorized

Latest Spectrum Lab USR settings file that works successfully with LRO 134cm VLF aerial with direct input into USB soundcard and Spectrum Lab Software as of 16/3/2026

Uncategorized

How long does a photon take to cross 10cm space?

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

Astronomy observatory in Staffordshire, England.

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