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One for Kelly, Mike et al - Radio Communications.

I couldn't help but notice a similarity between the picture at https://www.bbc.co.uk/news/uk-england-wiltshire-53132567 with the photograph at https://qrznow.com/wp-content/uploads/2015/01/Abh%C3%B6ranlage_Gablingen.jpg This seems to suggest that radio communication is not as recent as you might think? ?

There used to be a Wullenweber DF Antenna at RAF Chicksands in Bedfordshire some years ago when the USAF had tenure. I remember seeing it back in the late 1960's from a coach on our way to the Shuttleworth Trust. Similarly from a ship passing Galeta Island, Panama. Both these now long gone, but the locations still visible in Google Earth. Other than the WW2 German work, most seem to have US origins and I was pleased to see that Plessey in the UK had an involvement too.

Clive

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0 John Peckham over 4 years ago

I remembered that a radio navigation aid fitted to a lot of aircraft is known as Non Directional Beacon (NDB). A LF radio signal is transmitted from airfields and airports in morse and aircraft have a receiver when tuned to the required beacon gives directional information on a cockpit instrument. I tuned up my nearest airport which is London City on 322kHz and heard LCY pumping out in morse.
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0 John Peckham over 4 years ago

I remembered that a radio navigation aid fitted to a lot of aircraft is known as Non Directional Beacon (NDB). A LF radio signal is transmitted from airfields and airports in morse and aircraft have a receiver when tuned to the required beacon gives directional information on a cockpit instrument. I tuned up my nearest airport which is London City on 322kHz and heard LCY pumping out in morse.
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One for Kelly, Mike et al - Radio Communications.

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