Uhf Repeater

What is the purpose of a UHF repeater at airports?

What is the purpose of a UHF repeater at airports.
I live in york and my local airport is Leeds bradford (LBIA) Because im 25 miles from the airport getting atc from the airport is very slim but i can get leeds tower on 455.6125nfm Perfect but on 123.0am i get nothing why is this ?what is the benefit for the airport to use this repeater thanks

Like most repeaters, the idea is to make the signal receivable beyond the range of the originating station. Theoretically, with enough repeaters, you could send a signal around the world using low power repeaters rather that high power systems or satellites.

Is there terrain features or line of sight issues in your case?

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Waltham
Mast height
315metres (1,033 feet)
Grid reference
SK809233
Built
1966, 1968
Collapse
1966
BBC Region
BBC East Midlands
ITV Region
ITV Central
The Waltham transmitting station is a service of broadcasting and telecommunications in Waltham-on-the-Wolds, 5 miles (8 km) northeast of Melton Mowbray. It lies within the parish of Waltham, near Stonesby civil, in the district of Melton, Leicestershire, UK. It has a 315metres (1,033 feet) mast with tubular steel braces. The height of the main structure of the upper steel structure is 290.8 meters (954 feet) with UHF television antennas contained within a GRP shroud mounted on the top.
Construction
The mast First built in 1966. On 16 November 1966, collapsed. Parts of the remains are still in use as shelters pork.
The structure was rebuilt in 1968. This delay in their first transmissions until 1970, and was not fully operational until April 1971. This is a shorter version of the second transmitter that collapsed Emley Moor broadcasting, while on 19 March 1969 due to the weight of the ice in structural cables. The mast of Waltham has four sets of levels of the stay as opposed six former Emley Mast. The latter was identical to the current Belmont mast 385m.
Coverage
The mast was originally built to provide BBC2 (in the new UHF system of 625 lines) to the East Midlands. Now is the main TV transmitter for all terrestrial channels covering the East Midlands — Nottinghamshire, Derbyshire, Leicestershire, Rutland, South Lincolnshire and North Northamptonshire. It can even be received with some degree of Maltby in South Yorkshire and Thurleigh (North Bedfordshire), East Midlands expatriates. Owned and operated by National Grid Wireless. Belmont is twice as potent as Waltham, but has a similar area to the deck. The West Midlands area, the BBC is three times the size of the East Midlands has three main transmitters, with Sutton Coldfield is four times more potent to Waltham.
Digital TV
Waltham transmission of digital TV on 15 November 1998. In July 2007 was confirmed by Ofcom that DSO (digital) Waltham transmitted five – six – MUXes within your original C / Group D MUX 4 is out of bounds at CH29, but has yet to collect on an antenna of C / D of the group in areas reasonable signal, as shown in this graph.
Relay stations
Although Waltham can be received in some degree throughout the East Midlands and a lots of Cambridgeshire, giving people outside the region of the choice of programs for the BBC East Midlands is one of the relay stations (also known as epeaters) is in the rugged border areas to strictly define what the region receiving the BBC. The two bonds are the strongest in Nottingham (at west of the J26 M1) and Stanton Moor, near Bakewell. Further north-west of Bakewell, is stuffed transmitters BBC North West. Buxton is the meeting point between the hill Winter, Emley Moor and Waltham broadcasting regions. North-east of Derbyshire, this of Tideswell and Hope Emley Moor (BBC Leeds).
Transmission Services
Analogue Radio
106.6 MHz – 106.6 Smooth Radio
Digital Radio
Block 12B – 225.64 MHz – BBC National DAB
Block 11D – 222.06 MHz – Digital One
Block 12C – 227.36 MHz – NOW Nottingham
Analog TV
UHF 35 – Five
UHF 54 – Channel 4
UHF 58 – BBC One East Midlands
UHF 61 – ITV1 Central
UHF 64 – BBC Two
Digital TV
UHF 23 – Multiplex 2 – Digital 3 and 4
UHF 26 – Multiplex A – S4C Digital Networks
UHF 33 – Multiplex B – BBC
UHF 42 – Multiplex D – National Grid Wireless
UHF 45 – Multiplex C – National Grid Wireless
UHF 49 – Multiplex 1 – BBC
See also
List of masts Table of masts
List of tallest buildings and structures in Britain
List of radio stations in the UK
External Links
Photos and details Waltham TV mast, including the credit co-transmitters.
The Transmission Gallery: Waltham Transmitter photographs and information
DTT
The reception frequency transmitters and repeaters.
Skyscraperpage
Google Maps
Live Maps
Coordinates: 5248? 5? N 048? 3? W? /? 52.80139 0.80083? / 52.80139, -0.80083

v? d? eSupertall structures (at least 300 meters Other proposed structures)
Antennas:
Almaty Tower? Arfon Mast? Atlanta Turner Broadcasting Tower? Azeri TV Tower? Belmont Mast? Bilsdale mast? Black Hill mast ?…( and so on) For more information, visit some products on the color quad receiver, antenna FM radio. receiver products USB DVB satellite PC should show more here!

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