[Boatanchors] Microphone Output

[W2HX]

Is it not dBm?  If it were, it would be to 1mW

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net [mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of David C. Hallam
Sent: Friday, January 11, 2013 10:18 AM
To: Boatanchors at mailman.qth.net
Subject: [Boatanchors] Microphone Output

When a microphone output is given at say -52db, what exactly does that mean?  -52db referenced to what?

David
KW4DH

--
A democratic government is the only one in which those who vote for a tax can escape the obligation to pay it.
Alexis de Tocqueville

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