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CESSB (controlled-envelope single-sideband) is a narrowband modulation method using a single sideband, whose peak envelope level is controlled so that the peak-to-average power ratio of CESSB is much reduced compared to standard SSB modulation and offers improved effective range over standard SSB modulation while simultaneously retaining backwards compatibility with standard SSB radios.
Elecraft, Inc. is an American manufacturer of amateur radio equipment and kits based in Watsonville, California. It was founded in 1998 by Wayne Burdick and Eric Swartz. [ 1 ] The company's first product was the K2 transceiver, first prototyped in October 1997.
Pennsylvania Railroad 3750 is a preserved K4 class 4-6-2 "Pacific" type steam locomotive built by the Altoona Works for the Pennsylvania Railroad, it is located at the Railroad Museum of Pennsylvania, just outside Strasburg, Pennsylvania in the United States.
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Examples of each are the D16/3 Claud Hamiltons (rebuilt), the B12/3 (re-boilered and new valve gear) and his K4 (built for the West Highland Line) and P2 (for the Aberdeen to Edinburgh route). Thompson instead advocated for constructing and maintaining a small variety of classes, and spent time during his tenure as CME in developing a list of ...