"physically impossible." How so? What technology has ever been
branded "physically impossible" which did not find a solution.

"ATC does not give me advisories to 2 decimal places either; something
new where you fly?"

They only give "less than a mile" or "2 miles" generally. If you ask
specifically, they can tell you within tenths, depending on their
technology being used.



"TaxSrv" wrote in message ...
"BHelman" wrote:
My experience with the trafficscope continues to be range within .03
NM of what ATC tells me and relative altitude being dead on.

All these "passive" devices rely upon received signal strength to
compute distance. Due to wide variability in what actually comes out
of the xponder antenna of general aviation aircraft, consistent .03 NM
accuracy, or even .3 NM, is physically impossible. ATC does not give
me advisories to 2 decimal places either; something new where you fly?
:-)

Fred F.