At Columbia University in 1984, David C. Schwartz and Charles Cantor developed a variation on the standard protocol by introducing an alternating voltage gradient to improve the resolution of larger molecules.
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Named after a German electrical engineer, it was awarded for the first time in 1981 at the 3rd IEEE International Pulsed Power Conference.
For this effort, Marchetti, at Avco RAD, developed a 30-MHz pulsed radar that was set up at San Salvador Island to observe the ionized trail from a NASA Mercury capsule.
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After receiving appropriate security clearances, he was transferred to the Radio Position Finding (RPF - early SCL designation for radar) section where Paul E. Watson, the SCL Chief Engineer, was leading the development of the Signal Corps’s first pulsed detection system.
This is presently achieved at few large scale facilities in the world: the CMMS continuous source at TRIUMF in Vancouver, Canada; the SµS continuous source at the Paul Scherrer Institut (PSI) in Villigen, Switzerland; the ISIS and RIKEN-RAL pulsed sources at the Rutherford Appleton Laboratory in Chilton, United Kingdom; and the J-PARC facility in Tokai, Japan, where a new pulsed source is being built to replace that at KEK in Tsukuba, Japan.
Shiva Star, a high-powered pulsed-power research project of the U.S. Air Force
Much of the pioneering early pulsed EPR was conducted in the group of W. B. Mims at Bell Labs during the 1960s.