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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
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October 27, 2025 Admin

What sample rate to use in the GNU Radio SDRplay RSPDuo block for 1420MHz radio astronomy data collection?

SDR Play RSPduo – in gr-sdrplay3 module in GNU Radio it asks me to put in separate sample rate in

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October 26, 2025 Admin

Function and use of “Subtract” block in GNU Radio

Good question — the Subtract block in GNU Radio Companion works on streamed numeric sample data, and the type of data

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October 26, 2025 Admin

You can have two (or more) instances of the GNU Radio Companion QT GUI Vector Sink block in the same flowgraph

Yes — you can have two (or more) instances of the GNU Radio Companion QT GUI Vector Sink block in the same

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October 26, 2025 Admin

GNU Radio does have blocks that can subtract streamed data in real time

GNU Radio does have blocks that can subtract streamed data in real time, though there isn’t a single block literally

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October 26, 2025 Admin

GNU Radio, the “Stream to Vector” block

In GNU Radio, the “Stream to Vector” block works with streamed sample data and groups it into fixed-length vectors. Here’s a clear

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October 26, 2025 Admin

How much uranium is it legal to own without licence in UK?

How much uranium is it legal to own without licence in UK? Short answer: there isn’t a simple mass limit —

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October 26, 2025 Admin

What is return loss?

https://www.astronomy.me.uk/wp-content/uploads/2025/10/What-is-return-loss-261025-scaled.jpg

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October 26, 2025 Admin

Mini-Circuits SLP-21.4+ Coaxial Low Pass Filter 50Ohm DC-22MHz Data Sheet

Download data sheet below: https://www.astronomy.me.uk/wp-content/uploads/2025/10/Mini-Circuits-SLP-21.4-Coaxial-Low-Pass-Filter-50Ohm-DC-22MHz-Data-Sheet-261025.pdf

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October 25, 2025 Admin

Was the Orionid meteor shower a flop this year?

The Orionid meteor shower is described by the Royal Museums Greenwich, London, website as: Orionids  22 October  2 Oct-7 Nov 

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October 23, 2025 Admin

New revised SDRplay version 23/10/2025 of Ted’s original ezRA GNU Radio Data Collection Script from 20/10/2025

https://www.astronomy.me.uk/wp-content/uploads/2025/10/Ted-Clines-original-GNU-Radio-ezRA-GRC-script-201025ezColGR251018eArevised-AT-231025.zip https://www.astronomy.me.uk/wp-content/uploads/2025/10/Ted-Cline-GNU-Radio-SDRplay-AT-revisions-231025.zip

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Recent Posts

  • Beta testing ezColS251107cPeeee.py on LRO-H2 with RSPduo 8/11/2025
  • ezColS251107cPeeee.py
  • ezColS251104aPeeee RSPduo LRO-H2 beta testing 8/11/2025
  • British Astronomical Association Radio Astronomy Group H-Line Sub-Group Meeting Recordings
  • Gain settings on SDR Play’s RSPduo Software Defined Radios

Recent Comments

  1. Alex Pettit on Compare the performance of 80cm, 90cm, 100cm, 110cm, 110cm, 140cm, 150cm, 180cm, 240cm, 300cm, 500cm, 1000cm dishes for 1420MHz amateur radioastronomy
  2. Admin on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  3. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  4. Marcus D. Leech on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  5. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?

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