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Astronomy observatory in Staffordshire, England.

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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

Dimensions of my WR-650 hydrogen line rectangular feed purchased from ebay Dec 2025

January 9, 2026 Admin

Dimensions of the commercial rectangular WR650 feed I purchased off ebay Dec 2025 are 164mm wide x 82mm high x 128mm deep, with monopole probe located 57mm from back plane.

Active@ Disc Image of Andrew Sutkowski’s Linux Disc Image containing GNU Radio, SDR Play support, ezRA, ez-radio-astro.
Shaik Samad Pasha’s dimensions for his hydrogen line horn antenna used in his CHART-21 project.

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Shaik Samad Pasha’s dimensions for his hydrogen line horn antenna used in his CHART-21 project.
Dimensions of my WR-650 hydrogen line rectangular feed purchased from ebay Dec 2025
Active@ Disc Image of Andrew Sutkowski’s Linux Disc Image containing GNU Radio, SDR Play support, ezRA, ez-radio-astro.
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