The Telepost LP100 (and I expect the LP700) are calibrated to NIST
traceable standards. I bought an LP100 kit (no longer in kit form) and
did my own calibration after construction - then sent it to Larry for
his real calibration.
Although Larry will not commit to it, I suspect the accuracy to be in
the vicinity of 2% or better.
There are a number of LP100s in the Elecraft working area. I don't know
how often they are sent back to Larry for a calibration check. What I
do know is that they are better than the average Bird used by hams.
73,
Don W3FPR
On 5/20/2020 5:52 PM, Mark Goldberg wrote:
Hams tend to treat uncalibrated test
gear as gospel. An external power meter, just because it reports to the
nearest 0.1W isn't necessarily better. Any commercial operation calibrates
on a regular cycle. Being a slightly less cheap Ham than most, I do get one
scope / spectrum analyzer calibrated every year, so at least I have
something to compare the other stuff to.
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