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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)
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  • Links to other observers’ SID monitoring sites
  • SHOOS – SARA Hydrogen-Observing Overall Survey
  • Contact me
Uncategorized

What excellent Sony A and E mount full frame manual focus zooms are there available?

Admin June 18, 2026 No Comments

For Sony A-mount full-frame (Minolta/Sony Alpha DSLR era) manual-focus zooms, the honest situation is a bit unusual: 👉 There are almost no native “manual-focus-only” full-frame zooms in A-mount. Most A-mount…

Uncategorized

Testing UKRAA PicoMuon Muon Detector with 20,000mAh lithium ion battery pack and stay-on USB dongle (prevents power bank shutting down with low current draw)

Admin June 18, 2026 No Comments

18/6/2026: I started this 24 hours ago and the power bank still shows 4 bars of power – so I have shown that this setup will provide plenty of power…

Uncategorized

First Light on LRO-H5 140cm Communications Dish 16/6/2026 @ 04:45 am

Admin June 18, 2026 No Comments

Hi Francesco & Jason, I am currently outside with the dawn chorus (bird song at dawn), as the Milky Way is (sort of) overhead at this time of the day.…

Uncategorized

Reflective properties of metals relevant to dishes

Admin June 17, 2026 No Comments

From the book “Field Maxima Inside Habitable Structures Exposed to 2.45 GHz Plane Wave Radiation”:

Uncategorized

What do you call the 3 or 4 stalks which hold the feed in place on radio dish?

Admin June 17, 2026 No Comments

The three stalks that hold the feed assembly in front of a radio dish are usually called feed support struts or feed support legs. Other terms you may encounter are:…

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Brian Coleman on the dish F/D ratio that works best with his dual mode hydrogen line feed he gave me

Admin June 17, 2026 No Comments

Much work has been done on optimising feeds to illuminate a dish as efficiently as possible reducing spill over which on receive means the feed sees ground raising the system…

Masers

Brightest masers for amateurs to observe

Admin June 17, 2026 No Comments

From Eduard Mol 17/6/2026: Keep in mind masers are variable, so any list will be more of an indication. W49 is the best one to start out with, because it’s…

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LRO-H5: Introducing a new hydrogen line radio telescope at Lichfield Radio Observatory

Admin June 17, 2026 No Comments

This is built around an 140cm ex-communications radio dish which used to adorn the side of an university physics department. It is paired with a Discovery Hydrogen Line feed and…

Masers

The brightest masers for amateur radio astronomers to observe

Admin June 17, 2026 No Comments

Keep in mind masers are variable, so any list will be more of an indication. W49 is the best one to start out with, because it’s consistently very bright and…

Uncategorized

Brian Coleman on the dish F/D ratio that works best with his dual mode hydrogen line feed he gave me

Admin June 16, 2026 No Comments

Hello Andrew Sorry for the slow reply … lots going on here. Much work has been done on optimising feeds to illuminate a dish as efficiently as possible reducing spill…

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Categories

  • ADVISORY NOTICE & DISCLAIMER
  • Aerials & Antennae
  • Airspy Software Defined Radios
  • Astronomy Art
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  • Attending & talking at conferences, workshops & societies
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  • Building radio telescopes
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  • LRO-H1 Radio Telescope (86cm x 86cm Ptarmigan Triffid 4×4 Dipole Array)
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  • USRP B210 Software-Defined Radio
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Recent Posts

  • What frequency range is covered by SDRPlay 2 and RSPDuo software defined radios? Can they be used for VLF radio astronomy?
  • Capacitance and impedance matching on loop antennas in VLF radio astronomy
  • Modulation of large lower VLF transmitters used for submarine communication (the same VLF signals used for SID detection by amateur radio astronomers)
  • How to test FE-5650A rubidium time standard against Leo Bodnar GPSDO
  • Comparing 5650A Rubidium Source with LBE-1421–23/9/2026

Recent Comments

  1. Admin on Latest version of IF Average Plug-in for SDR Sharp software
  2. Ken Elliott on Latest version of IF Average Plug-in for SDR Sharp software
  3. 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
  4. 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
  5. 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

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You missed

Uncategorized

What frequency range is covered by SDRPlay 2 and RSPDuo software defined radios? Can they be used for VLF radio astronomy?

Uncategorized

Capacitance and impedance matching on loop antennas in VLF radio astronomy

Uncategorized

Modulation of large lower VLF transmitters used for submarine communication (the same VLF signals used for SID detection by amateur radio astronomers)

Leo Bodnar GPSDO (GPS-Disciplined Oscillator) Rubidium Time Standard

How to test FE-5650A rubidium time standard against Leo Bodnar GPSDO

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

Astronomy observatory in Staffordshire, England.

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