À la tonalité, le temps sera...
Kirt's Cogitations #63

RF Cafe University "Factoids," "Kirt's Cogitations," and "Tech Topics Smorgasbord" are all manifestations of my ranting on various subjects relevant (usually) to the overall RF Cafe theme. All may be accessed on these pages:

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À la tonalité, le temps sera...

In 1905, Paris established time over the phone, available on demand. With a microphone transmitting the sound of ticking, a member of the Observatory staff counted the minutes and seconds verbally on the same line. This system was extremely popular but time consuming. In 1933, Paris Observatory introduced an automatic speaking clock. Britain's current system was introduced in 1936.

Copper Mountain Technologies Vector Network Analyzers - RF Cafe

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...