Slightly off-topic, but this may be of general interest.

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I recently performed a bit more investigation, regarding the UK meteor scatter system and Wind profiling radar that operate around 46MHz.
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I wrote to the meteor scatter system operating company, and received a lot of useful information.
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The site I originally found many years ago in Oxfordshire, no longer exists, and despite me thinking it was still operating somewhere in the area, it is not.
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The Meteor Burst radio networks are now considered to be legacy systems.
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They hold three frequencies for use of Meteor Burst:
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? ? 46.400MHz
? ? 46.950MHz
? ? 49.750MHz
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A station at Stanmore, North of London, was the main master station from 1988 to 2014 and broadcast on 46.975 and 46.4, however this station was decommissioned in 2014.
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There are only two Meteor Master Stations still remaining in the UK:
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Bacton, Norfolk - Master station. This operates on 46.975 / 46.95 and has antennae which are orientated NE to cover the Southern North Sea. This is most likely the station which is being picked up in Europe. The antennae are vertical 3 element Yagis
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I think this is the tower with the antennas as seen on Google Streetview.
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Waltham on the Wolds, Leicestershire - This operates on 46.4 but is defunct. The transmitter is still operating, but there are no outstations currently reporting in. The antennae are orientated NW and SW and are vertically orientated 3 element Yagis.
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I think this is the tower with two views of the separate antennas as seen on Google Streetview.
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Basically the master station polls on 46.975 generally at 30mS or so, the outstations respond on 46.950 when they have something to say.
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The master stations are transmitting at 500W whilst the outstations are only 100W.
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I also checked the University of Wales website, and the 46.5MHz (46.4 & 46.95MHz) MST radar near Aberystwyth seems to have been switched off sometime in 2024.
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I wonder what they intend to do with the antenna system ?
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Regards,
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Martin