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astronomy.network The Website of Lichfield Radio Observatory (LRO)

astronomy.network The Website of Lichfield Radio Observatory (LRO)

Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net

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  • SHOOS - SARA Hydrogen-Observing Overall Survey
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September 22, 2025 Admin

Result of Processing all LRO1+2+3 data using -ezConGalCrossingGLatNear 0-5 (change default 5degs to 0-5degs) 21/9/25

Ted Cline who has written ezRA has now added a new feature which gives users the ability to limit data

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September 22, 2025 Admin

An attempt at creating a ready-to-run GNU Radio Companion flowgraph + Python calibration script, tuned for 1420 MHz hydrogen line work.

A ready-to-run GNU Radio Companion flowgraph + Python calibration script, tuned for 1420 MHz hydrogen line work. Downloads to go

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September 22, 2025 Admin

A practical recipe for successfully improving signal detection using two orthogonal monopoles in a cantenna.

A practical recipe for successfully improving signal detection using two orthogonal monopoles in a cantenna. Great — here’s a practical

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September 22, 2025 Admin

Is a shared clock required for interferometry with two software-defined radios, one per receiver?

Short answer: it depends on how you plan to combine the two channels: Practical options for your setup What to

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September 20, 2025 Admin

Adding second monopole onto 1420 MHz cantenna at 90 degrees to first monopole in attempt to improve signal.

I tried adding second monopole onto 1420 MHz cantenna at 90 degrees to first monopole in attempt to improve signal,

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September 20, 2025 Admin

Open Source Tools / Libraries for interferometry

There are several open-source software tools and libraries for interferometry / correlator / radio astronomy work. Depending on how much of the

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September 19, 2025 Admin

Concrete examples of small-scale / home interferometry projects & designing system based on SDRPlay Duo software-defined radio.

Some concrete examples of small-scale / home interferometry projects that use open-source software, so you can see how people have actually

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September 19, 2025 Admin

Effect of blockage prime focus waveguide and supports on radio dish – diagrams and beam cuts

Modelling a 3 m dish at 1420.405 MHz in two ways: You’ll see: Diagrams: •           Unblocked beam 2D: •           Prime-focus

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September 19, 2025 Admin

Diffraction effects on prime focus radio dishes

This comes up a lot in both radio astronomy and satellite communication when using prime-focus reflectors. On a prime-focus parabolic

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September 19, 2025 Admin

Open-source software tools and libraries for interferometry / correlator / radio astronomy

There are several open-source software tools and libraries for interferometry / correlator / radio astronomy work. Depending on how much of

Read more
  • ← Previous

Recent Posts

  • Result of Processing all LRO1+2+3 data using -ezConGalCrossingGLatNear 0-5 (change default 5degs to 0-5degs) 21/9/25
  • An attempt at creating a ready-to-run GNU Radio Companion flowgraph + Python calibration script, tuned for 1420 MHz hydrogen line work.
  • A practical recipe for successfully improving signal detection using two orthogonal monopoles in a cantenna.
  • Is a shared clock required for interferometry with two software-defined radios, one per receiver?
  • Adding second monopole onto 1420 MHz cantenna at 90 degrees to first monopole in attempt to improve signal.

Recent Comments

  1. What Is the Lichfield Radio Observatory – astronomy.network The Website of Lichfield Radio Observatory (LRO) on Latest Milky Way 1420MHz hydrogen map from Lichfield Radio Observatory (LRO) 2/12/2024 from data 6/1/2024-30/11/2024
  2. Fly-through of 3D plot of Milky Way Spiral Arms created using data from LRO 1, 2 and 3 radio telescopes from start of data collection to 17 August 2025 (extended 3D slices revised version 4 September 2025) – astronomy.network The Website of Lichfiel on Latest LRO 2D Map of Milky Way Arms 2 September 2025
  3. Fly-through of 3D plot of Milky Way Spiral Arms created using data from LRO 1, 2 and 3 radio telescopes from start of data collection to 17 August 2025 (extended 3D slices version 2 September 2025) – astronomy.network The Website of Lichfield Radio on Latest LRO 2D Map of Milky Way Arms 2 September 2025
  4. Admin on In Debian and its derivatives (like Ubuntu, Raspbian, etc.), there’s no official meta-package specifically for radio astronomy
  5. Ole Streicher on In Debian and its derivatives (like Ubuntu, Raspbian, etc.), there’s no official meta-package specifically for radio astronomy

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