On 10/21/2015 11:29 AM, Mark Jones via KRnet wrote: > skirting the mode C ring around Chicago O'Hare and I was cruising at > 8,000' when I looked up and saw a commercial crossing above me.
Literally the same thing happened to me when on my way to OSH a few years back. I was in a Glasair 1 FT which is only slightly larger than a KR. ADS-B gives such a far better advance warning from a lot further out, and is an excellent supplement to the the Mark I eyeball. -Dj -- Dj Merrill - N1JOV - EAA Chapter 87 Sportsman 2+2 Builder #7118 N421DJ - http://deej.net/sportsman/ Glastar Flyer N866RH - http://deej.net/glastar/

