Xref: utzoo sci.electronics:8428 rec.ham-radio:14579
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From: cees@maestro.htsa.aha.nl (Cees Keyer)
Newsgroups: sci.electronics,rec.ham-radio
Subject: Re: Tesla vs gauss, and other obscure units
Message-ID: <1148@maestro.htsa.aha.nl>
Date: 1 Nov 89 08:18:45 GMT
References: <1914@sactoh0.UUCP> <28601@buckaroo.mips.COM> <1989Oct29.174631.12960@ux1.cso.uiuc.edu> <1989Oct29.224736.2838@utzoo.uucp> <851@ariel.unm.edu> <30339@buckaroo.mips.COM> <1038@root44.co.uk>
Reply-To: cees@maestro.htsa.aha.nl (Cees Keyer)
Followup-To: sci.electronics
Organization: AHA-TMF (Technical Institute), Amsterdam, The Netherlands
Lines: 21

In article <1038@root44.co.uk> jgh@root44.UUCP (Jeremy G Harris) writes:
+>In article <30339@buckaroo.mips.COM> vaso@mips.COM (Vaso Bovan) writes:
+>>The bel is of rather recent vintage, 1923 [ A Dictionary of Scientific Units,
+>>4th Ed., Chapman & Hall, 1980].  This source contains the statement that "in
+>>continental Europe, the neper is used instead of the bel."
In Europe we use the bell instead of the neper.
The bell is a measure for good things but is a large unit hence 
picobello  :-).
+>
+>Obsolete, I think.  A faint memory tells me that the neper is natural-log based
+>rather than log-base-10 based.  Never seen it used.
+>-- 
The neper is used in transmision technology.


-- 
DISCLAIMER: I am not insane, I am a plane.    pjew!
Cees Keyer, Algemene Hogeschool Amsterdam.  | fax: (+31) 20-443215     
department of electrical engineering.       | phone (+31) 20-429333   
Email:   cees@maestro.htsa.aha.nl  cees@tamtam.htsa.aha.nl 
Snail:  AHA-TMF, Europaboulevard 23, 1079 PC Amsterdam, The Netherlands.