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The Time from NPL is a radio signal broadcast from the Anthorn Radio Station near Anthorn, Cumbria, which serves as the United Kingdom's national time reference. [1] The time signal is derived from three atomic clocks installed at the transmitter site, and is based on time standards maintained by the UK's National Physical Laboratory (NPL) in Teddington. [2]
On 3 February 2009, it was announced that Trouble +1 would close down on 5 February and would be replaced with Living2 +1, a timeshift service of Living2. [3] Following this news, on 17 March, Virgin Media Television announced that they would close down Trouble outright and replace it with an unknown Living network, later revealed to be a two-hour timeshift of the main channel. [4]
The number and digits at the end identify the network edge or Tandem switch the caller's local exchange company routed the call to. There is also a network message heard when an attempt to route a call to a nodal or ISDN T1 on the terminating end fails due to no call set-up signal from the PBX being received by the far-end Tandem or edge switch ...
Daylight saving time (DST), also referred to as daylight saving(s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer so that darkness falls at a later clock time.
The telegraphic distribution of time signals was made obsolete by the use of AM, FM, shortwave radio, Internet Network Time Protocol servers as well as atomic clocks in satellite navigation systems. Time signals have been transmitted by radio since 1905. [12] There are dedicated radio time signal stations around the world.
Pale colours: Standard time observed all year Dark colours: Summer time observed During British Summer Time (BST), civil time in the United Kingdom is advanced one hour forward of Greenwich Mean Time (GMT), in effect changing the time zone from UTC+00:00 to UTC+01:00, so that mornings have one hour less daylight, and evenings one hour more.
Allan variance – Measure of frequency stability in clocks and oscillators; Clock network – Set of clocks that synchronized to same time; International Atomic Time – Time standard based on atomic clocks; IRIG timecode – Standard formats for transferring time information; NITZ – Mechanism for time synchronisation on mobile devices
Brand Host network Wireless technology Voice over LTE WiFi calling eSIM Visual Voicemail HD voice [1] MVNE MVNO type Start date Notes 2G 3G 4G 5G 1pMobile