What is the purpose of the dozens of aerial masts in fields near J18 on the M1?
Answers:
The Rugby transmitting station is a large VLF transmission facility near the town of Rugby, Warwickshire in England. It went in service at January 1, 1926 and was originally used to transmit telegraph messages to the Commonwealth. After the 1950s this transmitter, active as callsign GBR (short for Great Britain) on 16 kHz, was used for transmitting messages to submerged submarines. Around 1930, a second transmitter was installed for transatlantic telephony on 60 kHz using the carrierless single-sideband modulation. This transmitter went out of service in 1956 and transformed to the time signal transmitter MSF. This new function (and the "MSF" callsign now commonly used) developed from the decision, in 1951, to use the station to transmit modulated standard frequencies for scientific reference purposes. In 1972 these transmissions were consolidated onto the present frequency of 60 kHz and a further reference, that of a time signal, was added. In 1977 this took the form of the rolling slow code in use today.
The GBR transmitter was shutdown on April 1, 2003 after the Royal Navy didn't renew their contract with BT in favour of a new contract with VT Communications. On 1 April 2007 BT’s contract to transmit the MSF time signal will also pass to VT Communications, who will use their Anthorn transmitter, Cumbria.
The aerial system at the VLF transmitter existed between 1926 and 2004 and consisted of twelve 250 metre high, guyed steel framework masts insulated against ground and carrying an aerial wire. This wire was mainly destroyed by heavy iceloads in the winter of 1940. After shutdown of GBR the facility is now only used for transmitting the time signal of MSF on 60 kHz. Therefore 8 of the 12 masts were obsolete and demolished in the night of June 19, 2004 to June 20, 2004.
A.
They are the ariel's that transmit the GMT all over the country. (Talking clock, Teletext, Ect) Their gonna stop using them and pull them down soon though.
Well now here's a guess, rather close to RAF Wittering, so I would suggest Ground Array Radar/Listening Post. You should have a look at the the one just off the A1 at Sandy, RAF Chicksands. Now that is impressive.
P.S. I don't go along with the GMT theory. Broadcasting masts are normally in the singular, ie only one in a given location.
I thi nk they are still listening down at Bletchley Park!
They're UFO tracking antennas, there's been a lot of activity in the night sky recently, so you'll probably hear them humming if you stop your car and put your ear to them!
I understand they are low frequency transmission towers..for communicating with submarines.
no answer the same all intresting though
RAF listening station,,and the big one at Sandy belongs to the BBC
you're talking about (near) Rugby? The masts are VLF transmitters that broadcast the GMT time signal around the world. VLF (very low frequency) = very long wavelength = very large aerials.
this signal is what radio controlled clocks use to set the time.
Could they be some form of radio telegraph? I don't know for sure because I live at the other end of the country.
This is probably an intercept station - part of Signals Intelligence
hooked up with GCHQ at Cheltenham
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