Whence 556?

Chuck Guzis cclist at sydex.com
Tue Jun 5 10:09:30 CDT 2018


On 06/05/2018 01:29 AM, Christian Corti via cctalk wrote:

> Just a guess, but 556 kHz is 5 MHz divided by 9.

Actually, it's a repeating decimal 555.5555....

And we're talking bits/chars per inch, so I don't see the connection,
particularly on a 75 ips drive.

More guesses welcome!   This one's been dogging my mind for nearly 50
years, so I'm the patient sort...

--Chuck





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