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RE: [TenTec] dbm and VU units of audio measurement

To: tentec@CONTESTING.COM
Subject: RE: [TenTec] dbm and VU units of audio measurement
From: Adam Farson <farson@shaw.ca>
Reply-to: tentec@contesting.com
Date: Wed, 30 Jul 2003 11:46:05 -0700
List-post: <mailto:tentec@contesting.com>
Hi Stuart,

Yes, I know what you meant.  It is just that all the years I spent doing
standards and compliance engineering in the telecom industry have made me a
stickler for correct terminology in units of measure.

Per ITU and ISO standards, which have legal and regulatory binding force in
all member countries, "dBm" is more than a mere label - it is the legal
definition of dB with reference to an absolute power level of one milliwatt.

Cheers for now, 73,
Adam VA7OJ/AB4OJ


-----Original Message-----
From: tentec-bounces@contesting.com
[mailto:tentec-bounces@contesting.com]On Behalf Of Stuart Rohre
Sent: Wednesday, July 30, 2003 11:22
To: tentec@contesting.com
Subject: Re: [TenTec] dbm and VU units of audio measurement


Adam,
Although meters are "labeled" to say dBm, that MEANS dB re ONE MILLI WATT.

That is all I was saying, and just abbreviated it.
73,
Stuart
K5KVH



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