[Amps] Bird wattmeter

[Steve Thompson]

Tom W8JI wrote:
> Also let's be fair. The standard Bird 43 Bird is +- 5% full 
> scale accuracy.

If I remember correctly, it's +/-5% of fsd at any reading - so a reading 
at 50% fsd has an error of +/-10% and so on.

As you say, immaterial in the context of radio links, maybe not always 
immaterial if an amplifier has a sharp transition into non-linearity and 
the meter is reading low.

Steve