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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey

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

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
Uncategorized
September 7, 2025 Admin

Normalising data files from multiple systems in ezRA

Ted Cline – N0RQV:secret ezCon command option ………….  -ezConAntXTVTLevelL  1.3  -3.2   (multiply all AntXTVT sample values and add) Use

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Radio observation in hydrogen line (1420MHz)
September 7, 2025 Admin

How to take the signals from multiple antenna pairs and turn them into an actual sky image using Fourier transforms

Good question — you’re asking about the heart of radio interferometric imaging: how to take the signals from multiple antenna

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Radio observation in hydrogen line (1420MHz)
September 7, 2025 Admin

Adding 2nd monopole onto cantenna to improve signal reception

Two monopoles at 90 degrees in cantenna One connects to splitter immediately Two connects via coax either 1/4 wavelength or

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Radio observation in hydrogen line (1420MHz)
September 7, 2025 Admin

How do I normalise data from multiple radio telescope systems so I can combine them together?

How do I normalise data from multiple radio telescope systems so I can combine them together? Great question, Andrew. Here’s

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Software
September 7, 2025 Admin

Marcus’s reply about Soapysdr and Sdrplay. Seems the gain settings are backwards in software.

https://groups.google.com/g/sara-list/c/o7xGe2hYkHc/m/VnaAH2u9AgAJ

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Radio observation in hydrogen line (1420MHz)
September 7, 2025 Admin

GPIO Labs 1420 MHz amplifier and filter

Provides an alternative to the Nooelec SAWBird H1 low noise amplifier and filter for hydrogen line radio astronomy. Currently the

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Uncategorized
September 7, 2025 Admin

Cheap RF phase shifter boards

Readily available at cheap prices. The following is one example of many available.

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Uncategorized
September 7, 2025 Admin

Cheap signal generators

These are readily available covering wide range of frequencies. The one below is presented as an example only.

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Radio observation in hydrogen line (1420MHz)Uncategorized
September 7, 2025 Admin

Is there a tutorial from Bonn University that demonstrates how professional astronomers convert raw radio data—particularly HI 21 cm observations?

You’re asking about a tutorial from Bonn University that demonstrates how professional astronomers convert raw radio data—particularly HI 21 cm

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Radio observation in hydrogen line (1420MHz)
September 7, 2025 Admin

How professionals convert raw telescope voltages into intensity maps of hydrogen in different parts of the Milky Way

Great question, Andrew — this is right at the heart of how the Milky Way has been mapped in neutral

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Recent Posts

  • Recording of data collection on LRO-H2 (Solar Cooker Radio Telescope) 28/12/2025
  • Linear power supply purchased Amazon for SAWBird H1 LNA 29/12/2025
  • YERKON 1.13-1.73GHz BJ14 WR650 Waveguide Coaxial Adapter Converter purchased from ebay 29/12/2025
  • My own attempt at completing homework exercises from BAA GNU Radio Group Meeting 29/11/2025: Create an electronic keyboard which plays multiple music chords, and create an AM radio player
  • Mathematical relationship between chords in music (for BAA GNU Radio Meeting homework)

Recent Comments

  1. Admin on What is a geodesic parabolic dish?
  2. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  3. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  4. Yoshi Takeyasu on What is a geodesic parabolic dish?
  5. Adrian Clausall on Julian Palmer Design Monopole Probe Assembly for Cantenna 12/12/2025

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Categories

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