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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)
  • Calculators
  • Telescopes & Associated Equipment at Lichfield Radio Observatory
  • History and description of Lichfield Radio Observatory (LRO)
  • Publications & Presentations
  • Links to other observers’ SID monitoring sites
  • SHOOS – SARA Hydrogen-Observing Overall Survey
  • Contact me
Radio observation in hydrogen line (1420MHz)

Comparison of performance 21cm Yagi vs Ptarmigan array for hydrogen line observation

Admin September 2, 2024 No Comments

Data collected using ezRA suite and analysed with same software. Link below to PDF of Ted Cline’s analysis of the results. Andy https://www.astronomy.me.uk/wp-content/uploads/2024/09/Ted_Cline_comparison_AP21YAGIPharmigan_020924.pdf

Spectroscopy

Pack for attendees at Rosliston Astronomy Group Spectroscopy Processing Session Sept 2024

Admin September 1, 2024 No Comments

You need to bring a fully charged laptop to the session with you. In advance of the session, download the ZIP file below onto your laptop, unzip it and install…

Radio observation in hydrogen line (1420MHz)

Comparing Ptarmigan and 21cm Plate Yagi data at LRO, collected over few days 26-31/8/2024 – processing both data sets in ezRA

Admin August 31, 2024 1 Comment

I used ezRA software suite to process the data set presented in the post: https://www.astronomy.me.uk/comparing-pharmigan-and-21cm-plate-yagi-data-at-lro-collected-over-few-days-26-31-8-2024 Both aerials pointed 163 degrees Azimuth at LRO. Ptarmigan Array = 77 degrees elevation. Plate…

Radio observation in hydrogen line (1420MHz)

Comparing Ptarmigan and 21cm Plate Yagi data at LRO, collected over few days 26-31/8/2024 – the data set

Admin August 31, 2024 1 Comment

Dear Ted, I have been collecting Ptarmigan Array and Alex Pettit 21cm Plate Yagi data at similar elevation and same azimuth over last few days whilst we have been away.…

Poetry & Songs

My Songs up to 30/8/2024

Admin August 30, 2024 No Comments

A bit of fun! Creating some tunes – mostly about astronomy. All (C) Andrew Thornett 2024. Please contact me via andrew (at) thornett (dot) net if you wish to use…

My interests in astronomy

My current interests in astronomy 26/8/2024

Admin August 26, 2024 No Comments

At moment my interests are mainly solar and radio astronomy, although my background is in visual observing. Here are some of my recent solar photos. Mostly Quark + Equinox F9…

Radio observation in hydrogen line (1420MHz)

Results of shootout between Alex Pettit 21cm Yagi and Ptarmigan ex-military array (band 3)

Admin August 25, 2024 No Comments

Nooelec H1 LNA on both Recorded similar time period in few days up to 25/8/2024. ezRA software – ezCol for collection and exCon/ezGal/etc. for analysis and plotting results. Lichfield, England…

Radio observation in hydrogen line (1420MHz)

Alex Pettit 21cm hydrogen plate Yagi antenna – data 21-23/8/2024 at 163 degrees azimuth, 77 degrees altitude

Admin August 23, 2024 No Comments
Radio observation in hydrogen line (1420MHz)

Results of first full drift scan of sky with Alex Pettit 21cm Patch Yagi Antenna from LRO.

Admin August 23, 2024 No Comments

Data collected and processed in ezRA suite. The graph below can be seen to peak when crosses Milky Way x2 in day. 3rd peak in middle = is this when…

Radio observation in hydrogen line (1420MHz)

First Light Data Process with Alex Pettit 21cm Plate Yagi @ LRO 22/9/2024

Admin August 22, 2024 No Comments

This involved only a few hours of data collection at one elevation, and was done to demonstrate that hydrogen was picked up – appears to peak over galaxy and suggestion…

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Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
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Recent Posts

  • Online interdigital RF cavity filter designer
  • Alex Pettit’s new RFI removal regime in H-Line 3D
  • Tell me what a SID (Sudden Ionospheric Disturbance) is and what range of frequencies are covered when monitoring for SIDs.
  • Protected: Resources for BAA GNU Radio for Radio Astronomy meeting 9/3/2026
  • Are there disadvantages of using SAWBird H1 vs Cavity filter?

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

Online interdigital RF cavity filter designer

Uncategorized

Alex Pettit’s new RFI removal regime in H-Line 3D

Uncategorized

Tell me what a SID (Sudden Ionospheric Disturbance) is and what range of frequencies are covered when monitoring for SIDs.

Uncategorized

Protected: Resources for BAA GNU Radio for Radio Astronomy meeting 9/3/2026

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

Astronomy observatory in Staffordshire, England.

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