[Elecraft] (no subject)

Dave Sublette k4to at arrl.net
Sat Apr 8 16:11:41 EDT 2006


It was a 500w slug, which leaves us with a 25 watt error, max.....

Vic K2VCO wrote:
> Dave Sublette wrote:
>
>> I stopped by to see them at their booth at a large hamfest to discuss
>> a problem I was having with their 300 watt amp for two meters.  In
>> spite of careful tweaking and adequate drive and power supply, I
>> could only get 240 watts output, as measured on my Bird wattmeter, I
>> asked the MFJ "engineer" on duty if that was within normal tolerances
>> for manufacturing for this amp.  His reply was, "You can't trust
>> those Bird wattmeters." I Quickly thanked him for his time and left.
>> I could see no reason to waste any more of my time.
>
> Actually, I think the Bird's accuracy is specified as 5% of full scale.
>  So if you were using a 1KW slug in the bird, it could have been off 
> by as much as 50 watts, brand new.


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