lee at wheelman.com
Mon Aug 14 15:52:02 EDT 2006
> Yes, but... doesn't any given "operator" exhibit the same error
> at both ends of the measurement?
You'd think this might be the case, but the operator is a human,
and as you note, there may be a donut and coffee involved.
Or there may be an unconscious (or conscious!) late start/early
finish reaction, which would also increase calculate speed.
Then there's the operator's perspective of the road. I'd expect to
get different readings based on whether the operator is located
ahead of the marked interval, along the interval or behind the
Almost as dodgy as the radar gun which can be tricked to calculate
fixed objects at 30 mph by simply waving the gun as the reading is
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