More about French (4)

1-07-1999 | In 1837, the first electric motor was developed (and patented) in the USA by Thomas Davenport. A few years later, in 1839, the magnetohy...

1-01-1994 | Sustained openings throughout August gave way to a dramatic drop in sporadic-E activity within the first few days of September. On the wh...

1-11-1991 | While the majority of satellite television channels have sound subcarriers with 50-µS or 75-µS pre-emphasis, certain channels, particularl...

1-07-1990 | The "High-predston DLF-based locked frequency reference" we published in the April 1989 issue (p. 48), derived its stability from the Deu...