A very good point which raises the question:
In terms of overall communcations effectiveness this means what?
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of Gary Schafer
Sent: 24 March 2005 20:58
To: G3rzp@aol.com
Cc: amps@contesting.com
Subject: Re: [Amps] Bird Element Calibration?
A 5% error in measuring voltage means a 10% error when calculating power.
73
Gary K4FMX
G3rzp@aol.com wrote:
> Another problem with calorimetry is the time it takes, which with a
> sweep tube amplifier would be prohibitive - even pulsed!
>
> I haven't seen a 'scope guaranteed better than 5%, even the new super
> dooper all singing digital things that can give aliases everywhere.
>
> And most of the time, does it matter?
>
> 73
>
> Peter G3RZP
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>
>
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