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Communications Review of Washington Navy Yard Shootings

This video has been put together to illustrate some of the failures that occurred over radio communication during the crisis at the Washington D.C. Naval yard shootings in September 2013.

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  • Tetra Codec – Norway Demonstration

    TETRA uses Time Division Multiple Access (TDMA) with four user channels on one radio carrier and 25 kHz spacing between carriers. Both point-to-point and point-to-multipoint transfer can be used. Digital data transmission is also included in the standard though at a low data rate.