[TowerTalk] S meters

[George, W2VJN]

The FT-1000MP is about 1 to 1.5 dB per S unit from S0 to S8, then
3 dB to S9.  Above S9 the dB readings are quite accurate.

George, W2VJN



----- Original Message -----
From: Tom Rauch <w8ji@contesting.com>
To: Brian Alsop <alsopb@gloryroad.net>; David Jordan
<wa3gin@erols.com>; <towertalk@contesting.com>; Dave D'Epagnier
<DAVED@ctilidar.com>
Sent: Thursday, July 20, 2000 10:26 AM
Subject: [TowerTalk] S meters


>
> > My understanding is that S9 is equivalent to 50uV rms, and
each S unit
> > decrease is -6dB. Therefore:
>
> That's an untraceable IARU "standard". Drake used 5 dB, as did
> Collins.
>
> > I checked my Icom transceiver s meter once with a signal
generator and
> > sure enough S9 was 50uV. --
>
> You should check the S meter over the scale. You'd be amazed at
> how bad they all are.
>
> Many are about 1 dB per S unit near S1, few are ever 6 dB per S
> unit anywhere on the scale.
>
>
>
> 73, Tom W8JI
> w8ji@contesting.com
>
> --
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>


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