"Steven P. McNicoll" wrote in message
ink.net...
It assumes nothing at all. If a pilot reports he's in the clouds, then
any
other aircraft that is within 2000 feet horizontally, 1000 feet above, or
500 feet below the reporting aircraft MUST be in IMC.

ATC has no way of knowing that the VFR target in question is within those
limits.

Yes there was. You said ATC can't rely on PIREPs to KNOW something.
That's
obviously incorrect.

Wow. With the "...about the VFR target" implied, your misunderstanding was
understandable, if a bit surprising. But with it being called out
explicitly to you, your ignorance is downright shocking.

Pete