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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, No warranty is provided for its use. You should check information provided with independent data sources before using…

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Linux pyrtlsdr no longer available – what can be used instead during installation of ezRA?

Admin February 25, 2026 No Comments

I collect data with free Linux PCs. I find my Windows 10 PC is running Python 3.9.4, which does not show a problem. I see available Win11 Python version 3.12…

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How to test & what results to expect when testing Nooelec SAWBird H1+ Low Noise Amplifier and Filter with NanoVNA

Admin February 25, 2026 No Comments

From Alex Pettit 25/2/2026: From Jan Lustrop: I use 40 dB attenuator on port S11 for Sawbird+H1 LNAs. The above were responses to post on SARA Mailing List that noted…

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Initial Positive Data 134cm VLF Aerial with direct input into USB Soundcard LRO 25/2/2026

Admin February 25, 2026 No Comments

https://www.astronomy.me.uk/wp-content/uploads/2026/02/Initial-Positive-Data-134cm-VLF-Aerial-with-direct-input-into-USB-Soundcard-LRO-250226.pdf

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Mini-Circuits ZHL-1217HLN Coaxial Low Noise Amplifier 1200-1700MHz

Admin February 25, 2026 No Comments

https://www.astronomy.me.uk/wp-content/uploads/2026/02/ZHL-1217HLN_dashboard.pdf

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Mini-Circuits BFCN-1900+ Ceramic Bandpass Filter 1893-1920 MHz

Admin February 25, 2026 No Comments

https://www.astronomy.me.uk/wp-content/uploads/2026/02/BFCN-1900_dashboard.pdf

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Maths Ted uses to calculate galactic velocity in ezRA

Admin February 24, 2026 No Comments

Maybe your answer is explained at about https://www.youtube.com/watch?v=YXuPDJVRbd0&t=1892sor maybe starting back at https://www.youtube.com/watch?v=YXuPDJVRbd0&t=1083swhere I explain the tangential velocity method.The radius from the Galactic Center to the tangential gas cloud is…

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Radio Meteor Scatter – Improved Spectrum Lab Conditional Actions V8 from Blackwater Skies

Admin February 24, 2026 No Comments

https://www.blackwaterskies.co.uk/2021/03/radio-meteor-scatter-conditional-actions_v8/

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How can I regularly upload a file from a folder onto my website every four hours?

Admin February 24, 2026 No Comments

To upload a file from a folder to your website automatically every four hours, you need two parts: Below are the most practical methods depending on your setup. ✅ Option…

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Outlook has blocked a .py attachment on email so I can’t access it. Can I unblock it?

Admin February 24, 2026 No Comments

Yes — but whether you can unblock it depends on which Outlook you’re using and where the block is happening. Outlook blocks .py files because they’re considered executable and potentially…

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Is the speed of light a real speed?

Admin February 23, 2026 No Comments

Yes — the speed of light is a real, physically measurable speed. The quantity usually denoted c is the speed at which electromagnetic waves propagate through a vacuum. Its defined…

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Categories

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Recent Posts

  • Linux pyrtlsdr no longer available – what can be used instead during installation of ezRA?
  • How to test & what results to expect when testing Nooelec SAWBird H1+ Low Noise Amplifier and Filter with NanoVNA
  • Initial Positive Data 134cm VLF Aerial with direct input into USB Soundcard LRO 25/2/2026
  • Mini-Circuits ZHL-1217HLN Coaxial Low Noise Amplifier 1200-1700MHz
  • Mini-Circuits BFCN-1900+ Ceramic Bandpass Filter 1893-1920 MHz

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

Linux pyrtlsdr no longer available – what can be used instead during installation of ezRA?

Uncategorized

How to test & what results to expect when testing Nooelec SAWBird H1+ Low Noise Amplifier and Filter with NanoVNA

Uncategorized

Initial Positive Data 134cm VLF Aerial with direct input into USB Soundcard LRO 25/2/2026

Uncategorized

Mini-Circuits ZHL-1217HLN Coaxial Low Noise Amplifier 1200-1700MHz

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

Astronomy observatory in Staffordshire, England.

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