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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
ADVISORY NOTICE & DISCLAIMER

Please look at this important information about the content of this blog/website before reading further.

Admin January 14, 2026 No Comments

The information provided on this website is provided for reference purposes only. It is my personal development blog, and is not intended to act as an educational or advisory tool…

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Trimble and Leo Bodnar external RF clocks: Do they produce sine wave or square wave outputs?

Admin July 13, 2026 No Comments

TRIMBLE EXTERNAL CLOCKS: It depends on the specific Trimble device. For Trimble GPS-disciplined oscillators (GPSDOs) commonly used as 10 MHz frequency references: If you mean one of the surplus Trimble…

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In GNU Radio, can I use a variable to pass data into a Python script into a self-written module?

Admin July 13, 2026 No Comments

Yes. In fact, that’s the normal way to parameterize a custom Python block in GNU Radio. There are several ways to do it: 1. Pass a GNU Radio variable as…

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I am trying to heat up edge of large piece metal sufficiently to solder it. Heat from normal soldering iron just gets conducted away. What do I use?

Admin July 13, 2026 No Comments

For soldering the edge of a large piece of metal, the problem is its thermal mass: it conducts heat away faster than a normal soldering iron (typically 25–80 W) can…

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Scaling hydrogen horn elements

Admin July 13, 2026 No Comments

The SETI League provides a set of dimensions to build a hydrogen horn. This has two components – the waveguide element at the far end which must have specific dimensions…

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What are the other frequencies beside 22 GHz which have bright masers open to amateurs to observe, and what bandwidth is required to observe them?

Admin July 13, 2026 No Comments

There are several maser transitions accessible to amateur radio astronomers, although 22.235 GHz water (Hâ‚‚O) is by far the most popular because the sources are strong and the equipment is…

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Bandwidth required on cavity filter for water masers

Admin July 13, 2026 No Comments

Eduard Mol on one of the SARA meetings/online videos shows plot of W3ORS5 of water maser at 22 GHz. The plot shows LSR velocity km/s from -70 to -20 on…

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On my Samsing A34 I have power saving which is stopping apps. That is fine. But I would like to exempt Microsoft Authenticator is that possible?

Admin July 13, 2026 No Comments

Yes. On a Samsung Galaxy A34 you can exempt Microsoft Authenticator from Samsung’s battery restrictions, although it depends slightly on the One UI version. The setting you want is Unrestricted…

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Drop in muon counts seen on LRO UKRAA PicoMuon Muon Detector on Saturday 11/7/2026

Admin July 12, 2026 No Comments

Before we all watched England successfully get through to the semi-finals of the FIFA world cup, this change in detection rate was seen on my PicoMuon detector. Other observers on…

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Airspy HF+ vs Airspy HF+ Discovery specifications

Admin July 12, 2026 No Comments

Airspy HF+ Discovery and Airspy HF+ are closely related, but the HF+ Discovery is the improved second-generation design. For weak-signal work (including radio astronomy experiments) the Discovery is generally the…

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Making feed horn to go on end of Noosat 9000D-2 LNB for LRO 1.2m maser radio telescope

Admin July 12, 2026 No Comments

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Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
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Recent Posts

  • Trimble and Leo Bodnar external RF clocks: Do they produce sine wave or square wave outputs?
  • In GNU Radio, can I use a variable to pass data into a Python script into a self-written module?
  • I am trying to heat up edge of large piece metal sufficiently to solder it. Heat from normal soldering iron just gets conducted away. What do I use?
  • Scaling hydrogen horn elements
  • What are the other frequencies beside 22 GHz which have bright masers open to amateurs to observe, and what bandwidth is required to observe them?

Recent Comments

  1. Admin on LRO-H5 First Light – Video of data collection on ezCol 18 June 2026 – 19 June 2026.
  2. Ultimate speed power bank with compressor UPK 10 H5 from Lidl Supermarket, UK – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on “Cubesat in a Box” – design development as of 15 June 2026
  3. “Cubesat in a Box” – design development as of 15 June 2026 – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on What are attachments for power banks that keep them always on called? I need an always on power bank to power my UKRAA PicoMuon muon detector during my trans-atlantic airflight of month for my altitude muon detection experiment
  4. “Cubesat in a Box” – design development as of 15 June 2026 – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on Ultimate speed power bank with compressor UPK 10 H5 from Lidl Supermarket, UK
  5. Admin on My 150cm LRO-H2 hydrogen line radio telescope is pointed azimuth 168 degrees, elevation 75 degrees, and collecting data by 24-hour transit scans. Which Milky Way parts does it pass through when trace shows one or two arms?

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You missed

Uncategorized

Trimble and Leo Bodnar external RF clocks: Do they produce sine wave or square wave outputs?

Uncategorized

In GNU Radio, can I use a variable to pass data into a Python script into a self-written module?

Uncategorized

I am trying to heat up edge of large piece metal sufficiently to solder it. Heat from normal soldering iron just gets conducted away. What do I use?

Uncategorized

Scaling hydrogen horn elements

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

Astronomy observatory in Staffordshire, England.

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