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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
Uncategorized

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…

VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)

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

Radio observation in hydrogen line (1420MHz)

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

Uncategorized

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

Easy Radio Astronomy Software (ezRA)

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…

Meteor detection by radio

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/

Uncategorized

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…

Uncategorized

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…

Uncategorized

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…

Radio observation in hydrogen line (1420MHz)

Product Review: Mini Circuits ZVBP-1420-N+ Cavity Band Pass Filter, 1415 – 1425 MHz.

Admin February 22, 2026 No Comments

Compared to the GPIO filters discussed in another article in this issue, Mini-Circuits’ 1415-1425 MHz cavity filters are at a significantly higher price point (around $700 at the time of…

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Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
  • Airspy Software Defined Radios
  • Astronomy Art
  • Astronomy General Articles
  • Astrophotography
  • Attending & talking at conferences, workshops & societies
  • Aurorae Boreolis
  • BlurXterminator
  • Building radio telescopes
  • Cartoons
  • Cloud Chambers
  • Computer equipment for astronomy
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  • Frequencies
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  • International Space Station (ISS)
  • Introduction
  • JSol'Ex
  • Jupiter Radio Astronomy
  • KerberosSDR & Raspberry PI
  • Lichfield Radio Observatory (LRO) & its Equipment
  • Linux for Radio Astronomy
  • LRO-H1 Radio Telescope (86cm x 86cm Ptarmigan Triffid 4×4 Dipole Array)
  • LRO-H2 Radio Telescope (150cm Solar Cooker Dish)
  • LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi)
  • Magnetometer
  • Making own Image Intensified Eyepieces
  • Maser Radio Observations
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  • Michel Safir
  • Microscopy
  • Minolta AF 85mm F1.4 camera lens
  • MLAstro SHG 700 Spectroheliograph
  • Multimeters
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  • My interests in astronomy
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  • Non-astronomy posts
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  • Radio observation in hydrogen line (1420MHz)
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  • SARA
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  • Seestar S50 Telescope
  • SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)
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  • Software
  • Solar
  • Solar Cooker 1.5m Parabolic Dish Radio Telescope
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  • Spectroscopy
  • Testing radio astronomy equipment
  • The 20 Metre Skynet Radio Dish at Green Bank Observatory
  • Thypoch Simera 35mm f/1.4 lens
  • Uncategorized
  • USRP B210 Software-Defined Radio
  • Videopad Software
  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
  • Waveguides
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  • Website management
  • Whisper Software
  • Windows
  • Wordpress

Recent Posts

  • Comparing 5650A Rubidium Source with LBE-1421–23/9/2026
  • How to fix “rtlsdr module not found” error when running ezRA (Easy Radio Astronomy by Ted Cline) under Microsoft Windows
  • Photos and video of the PCB from Ettus B210 clone I purchased from Aliexpress
  • Comments on using Leo Bodnar LBE-1421 to produce 1 PPS output
  • Planned ALAN Radio Telescope Field of View at 1420 MHz at Walsall Astronomy Group, UK

Recent Comments

  1. Interpretation of results from first successful rubidium lock achieved with 5650A – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on First successful rubidium lock achieved with 5650A rubidium time source 12 September 2026
  2. Admin on Latest working version of ezColGR – provides FFT 512 bins with Airspy Mini and saves data in ezRA text file format 10/7/2026
  3. Bill Sneed on Latest working version of ezColGR – provides FFT 512 bins with Airspy Mini and saves data in ezRA text file format 10/7/2026
  4. Floyd on How would I convert the plots on ezCon from ezRA (Easy Radio Astronomy Software written by Ted Cline) into dB?
  5. Floyd on Which state hosts Green Bank Observatory in the USA?

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You missed

Uncategorized

Comparing 5650A Rubidium Source with LBE-1421–23/9/2026

Uncategorized

How to fix “rtlsdr module not found” error when running ezRA (Easy Radio Astronomy by Ted Cline) under Microsoft Windows

Uncategorized

Photos and video of the PCB from Ettus B210 clone I purchased from Aliexpress

Uncategorized

Comments on using Leo Bodnar LBE-1421 to produce 1 PPS output

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

Astronomy observatory in Staffordshire, England.

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