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Jonathan E. Hardis (Fed)


Time and frequency from electrical power lines

Jonathan E. Hardis, Demetrios Matsakis, Blair Fonville
Due to the efforts of Henry Warren, inventor of the Telechron electric clock, electric power companies have been a source of time and frequency reference for

Telling Time

Jonathan E. Hardis
In Low-Tech Blues [June], you note that we are surrounded by clocks, but lament the lack of systems to set them automatically. Our job is to help fix that. Your

Study of CeI3 evaporation in the presence of Group 13 metal-iodides

John J. Curry, Albert Henins, E. G. Estupinan, S. D. Shastri, Jonathan E. Hardis, W. P. Lapatovich
The influence of GaI$_3$, InI, and TlI on the evaporation characteristics of CeI$_3$ have been studied over the temperature range 900 K to 1400 K using x-ray
Created October 9, 2019, Updated December 8, 2022