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L-carrier also carried the first television network connections, though the later microwave radio relay system soon became more important for this purpose. Type L-3 was used for a short time for coast-to-coast network television feeds, but the advent of NTSC color was the cause for the move to Type TD microwave radio.
The Global Positioning System carriers are in the L band, centered at 1176.45 MHz (L5), 1227.60 MHz (L2), 1381.05 MHz (L3), and 1575.42 MHz (L1) frequencies. L band waves are used for GPS units because they are able to penetrate clouds, fog, rain, storms, and vegetation.
L-1 Identity Solutions was formed on August 29, 2006, from a merger of Viisage Technology, Inc. and Identix Incorporated. [2] It specializes in selling face recognition systems, electronic passports, [3] such as Fly Clear, [4] and other biometric technology to governments such as the United States and Saudi Arabia.
Get the tools you need to help boost internet speed, send email safely and security from any device, find lost computer files and folders and monitor your credit.
UN 0301: 1.4G: Ammunition, tear-producing with burster, expelling charge, or propelling charge UN 0302? (UN No. no longer in use) UN 0303: 1.4G: Ammunition, smoke, with or without burster, expelling charge, or propelling charge UN 0304? (UN No. no longer in use) UN 0305: 1.3G: Flash powder: UN 0306: 1.4G: Tracers for ammunition: UN 0307 to 0311 ...
The Southern Railway L1 class was a class of 4-4-0 steam tender locomotives built for express passenger service on the South Eastern Main Line of the UK Southern Railway. They were designed by Richard Maunsell as a development of Harry Wainwright 's L class .
The L1 family is a family of cell adhesion molecules that includes four different L1-like proteins. [ 1 ] [ 2 ] [ 3 ] They are members of the immunoglobulin superfamily ( IgSF CAM ). The members of the L1-family in humans are called L1 or L1cam, CHL1 (close homologue of L1), Neurofascin and NRCAM (NgCAM related cell adhesion molecule).
The three L-1 0-8-8-0 Mallet steam locomotives of the Erie Railroad, built in July 1907 by ALCO, and numbered 2600, 2601 and 2602 (ALCo construction numbers 42269, 42270 and 42271 respectively); were unique in that they were the only articulated camelback locomotives ever built.