Larry Jaques wrote:
On Tue, 13 Dec 2011 06:42:55 -0800,
wrote:

(...)

Also beware that HF digital calipers tend to be very
susceptible to RFI. If I put my cheapo plastic
calipers next to a fluorescent fixture, they go all
wonky until placed well away.

Prolly the plastic conducting sunspot activity.

Nah just nearfield magnetic flux.

--Winston