THE TRANSMISSION GALLERY
|Photos by Peter Bigwood||Page last updated: 2021-08-24|
|Symington was built by the IBA for the Ayr ILR service which launched on 16th October 1981 as West Sound on 1035 kHz.|
The aerial is an interesting design. Note that the mast is earthed and the radiators are three wires which run close to the mast and then out in a complex array...
[Ed.] The aerial arrangement is that of an MF Folded Umbrella. An electrically short mast (37.5m) operating on a wavelength of 290m, with parallel wire radiating elements and a capacity umbrella. This type of aerial is used at several ILR MF sites including Brundall, Nigg, Rayleigh and Tarbat Ness. Also the Radio Caroline antenna at Orfordness.
Brundall | Nigg | Orfordness | Rayleigh (Southend MF) | Tarbat Ness
Description of the working of MF Folded Umbrella (Signal Issue 46)
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