There Is No Cat

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Thursday, September 19, 2002

Say goodbye, fading

Volker Fischer at the Technical University of Darmstadt in Germany is writing an open source decoder for Digital Radio Mondiale, the digital shortwave format that's in testing right now (which shares the unfortunate acronym DRM with digital rights management....) The Frauenhofer Institute announced last week that they would be selling a software-based receiver for $60 that requires a modified analog receiver with an IF output at 12 kHz rather than the usual 455 kHz. But this open source software, aside from being free (free beer!), promises to decode the broadcasts not via the IF, but from the audio channel. That would be a lot cheaper than sending my AOR 7030 to England to be modified to output 12 kHz, particularly if the software is ported to Mac OS X, which wouldn't require building a cheap PC.... (Thanks Rik van Riel for pointing me to this.)

Posted at 9:12 PM

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This site is copyright © 2002-2017, Ralph Brandi.

What do you mean there is no cat?

"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat."

- Albert Einstein, explaining radio


There used to be a cat

[ photo of Mischief, a black and white cat ]

Mischief, 1988 - December 20, 2003

[ photo of Sylvester, a black and white cat ]

Sylvester (the Dorito Fiend), who died at Thanksgiving, 2000.


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