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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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November 19, 2025 Admin

What is benefit of upgrading from 1m dish to 2.4m dish for hydrogen line?

This analysis is for a friend who has made this upgrade. The largest diameter dish we are currently using at

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November 18, 2025 Admin

How to change a normal Python‐level GNU Radio variable after the flowgraph has started

You can’t usually change a normal Python‐level GNU Radio variable after the flowgraph has started, but there are workarounds =

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November 18, 2025 Admin

URSP-B210_RTLSDR_RSPduo_Stereo_FM_Receiver_181125a.grc

https://www.astronomy.me.uk/wp-content/uploads/2025/11/URSP-B210_RTLSDR_RSPduo_Stereo_FM_Receiver_181125a.zip

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November 18, 2025 Admin

Lichfield Radio Observatory 17/11/2025

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November 18, 2025 Admin

Screenshot of Data Collection from USRP B210–161125 on LRO-H2

I am concerned that I do not seem to be able to see hydrogen on this plot?

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November 18, 2025 Admin

Latest ezCol.py command 17/11/2025

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November 18, 2025 Admin

New (donated) 160cm dish, in livery of LRO (grey)

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November 18, 2025 Admin

What is a P-ESA antenna?

The **P-ESA antenna**, or **Planar Electrically Steered Array antenna**, is a type of antenna that allows for adaptive beamforming and

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November 18, 2025 Admin

ezCol Soapy USRP B210 Test Data 16-17/11/2025

https://www.astronomy.me.uk/wp-content/uploads/2025/11/ezCol-Soapy-USRP-test-data-16-171125.zip

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November 18, 2025 Admin

I have been given 160cm satellite dish. No mounting hardware on back. What do I do?

If the 160 cm dish came without any of its rear hardware (no mount, no elevation bracket, no azimuth clamp,

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Recent Posts

  • Screenshot data collection LRO-H1(Ptarmigan) 19/11/2025 @ 17:00
  • Can orthogonal dual monopoles reduce signal strength in a cantenna? How is cross-polarisation measured?
  • What is format used in data files produced by Radio Sky Pipe II Software?
  • I am using USRP B210. I have set bandwidth to 56MHz. Maximum available sample rate is 10MHz. If i use that then computer crashes due to data overload after a few samples. I have had to reduce sample rate to 2MHz to avoid crashing.
  • How does sample rate relate to frequency and bandwidth on SDR?

Recent Comments

  1. Andrew Thornetr on Draft USRP B210 Software-Defined Radio Interferometer GNU Radio Companion Script 15/11/2025
  2. Alex Pettit on Compare the performance of 80cm, 90cm, 100cm, 110cm, 110cm, 140cm, 150cm, 180cm, 240cm, 300cm, 500cm, 1000cm dishes for 1420MHz amateur radioastronomy
  3. Admin on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  4. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  5. Marcus D. Leech on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?

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