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Re: dBm

Posted: Thu Oct 31, 2013 11:27 am
by Rune Bivrin
BrentEvans wrote: The thing that's really funny is that most Customary measurements have now been defined in terms of the metric system. For instance, the official definition of a pound is (roughly) 2.2kg. The kilogram is in turn defined by a specific chunk of metal in France, stored in a vault... whose mass seems to change over time for some reason....
I think you managed to get that bass ackwards. One kg is ~2.2lb, one lb is ~0.454 kg.
BrentEvans wrote: I'm all screwed up, apparently. :noob:
But this you got completely right :fruit:

Re: dBm

Posted: Thu Oct 31, 2013 12:23 pm
by BrentEvans
Rune Bivrin wrote: I think you managed to get that bass ackwards. One kg is ~2.2lb, one lb is ~0.454 kg.


Yes... OK... :wall:
But this you got completely right :fruit:
Thanks. I needed that. :owned:

Re: dBm

Posted: Tue Dec 17, 2013 10:42 pm
by billkatz
byacey wrote:
escapemcp wrote: I know Bm isn't a measure! :lol: )
Actually, it is a valid measure. The base unit is the Bel (you probably guessed it - from the Bell Telephone Labs)
Actually it is named after the man, Alexander Graham Bell, and hence why it is capitalized, like other unites named after people (Farad, Ohm, Ampere, etc.) as opposed to units that are not named after people that are lower case (second, meter, etc.)

Re: dBm

Posted: Wed Dec 18, 2013 6:26 am
by Hackomatic
I have a friend who works at Kohler and he said Bm is the unit of measurement their engineers use when designing toilets . . .

Re: dBm

Posted: Wed Dec 18, 2013 7:50 am
by DJPhatman
Hackomatic wrote:I have a friend who works at Kohler and he said Bm is the unit of measurement their engineers use when designing toilets . . .

Peeeeeeeee-Uuuuuuuuuuuuuuuuuuu!


:P

Re: dBm

Posted: Wed Dec 18, 2013 8:56 am
by BrentEvans
DJPhatman wrote: Peeeeeeeee-Uuuuuuuuuuuuuuuuuuu!
No.. that's a postsecondary educational institution that's near my house. It used to be Pfeiffer College. Then they became a university. Bunch of nutty academics probably didn't realize what they were doing.

Kind of like Friends University . You know.. the one in central Kansas. The Friends University of Central Kansas.

:wall:

Re: dBm

Posted: Thu Dec 19, 2013 10:06 am
by byacey
billkatz wrote:
byacey wrote:
escapemcp wrote: I know Bm isn't a measure! :lol: )
Actually, it is a valid measure. The base unit is the Bel (you probably guessed it - from the Bell Telephone Labs)
Actually it is named after the man, Alexander Graham Bell, and hence why it is capitalized, like other unites named after people (Farad, Ohm, Ampere, etc.) as opposed to units that are not named after people that are lower case (second, meter, etc.)
That's where Bell Telephone Labs got their name. It was a group of engineers there that implemented the measurement unit Bel. It replaced an earlier measurement called a TU or Transmission Unit in the 1920's.

You can read about it here:http://en.wikipedia.org/wiki/Decibel

Many of the things we take for granted today were developed in the Bell Telephone Labs, transistors, fiber optics, multiplexing, etc...

Re: dBm

Posted: Fri Dec 20, 2013 4:26 pm
by billkatz
byacey wrote:
billkatz wrote:
byacey wrote: Actually, it is a valid measure. The base unit is the Bel (you probably guessed it - from the Bell Telephone Labs)
Actually it is named after the man, Alexander Graham Bell, and hence why it is capitalized, like other unites named after people (Farad, Ohm, Ampere, etc.) as opposed to units that are not named after people that are lower case (second, meter, etc.)
That's where Bell Telephone Labs got their name. It was a group of engineers there that implemented the measurement unit Bel. It replaced an earlier measurement called a TU or Transmission Unit in the 1920's.

You can read about it here:http://en.wikipedia.org/wiki/Decibel

Many of the things we take for granted today were developed in the Bell Telephone Labs, transistors, fiber optics, multiplexing, etc...
Yes - and the lobby of the main Bell Labs building in Murray Hill (now Alcatel-Lucent) has an amazing display in its lobby showing all the things they've developed.