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    The 21st Century Rail Yard

    Smaller Unit, More Messages for Less

    Lat-Lon Dec 2017 Newsletter

    Lat-Lon July 2017 Newsletter

    Lat-Lon March 2017 Newsletter

    M2M: An Evolving Technology

    Geo-Fencing: Definition and Uses

    Lat-Lon Dec 2016 Newsletter

    Lat-Lon Oct 2016 Newsletter

    Mesh Networking

    CDMA & GSM Cellular Technologies

    4G LTE, A Summary

    Lat-Lon June 2016 Newsletter

    Patents, Progress & Practices

    Shutting Down 2G