In the city, you just don't hear even a jetliner flying at altitudes of 20,000 feet or more.
I'd think it'd be pretty hard to hear a drone up 40,000++ feet, even in the wilderness. -John ================ >>Stealthy doesn't mean invisible. Think low tech.. a bunch of guys out in >> the desert with cellphones .. "I just heard it come over" > > Here in Kansas we still have some 50s watch towers from the 'Gawk Tower' > days. Lots of people spent some cold nights here on the phone to some > central location reporting plains. Some other activities reportedly also. > I would think that after flying 2000 miles to get here someone would have > seen. > > However, one night maybe 10 years ago I was outside and watched a perfect > triangle of darkness passing across the bright star field. No running > light and absolutely no sound. > > Back to timing. A couple of days ago I ordered a UBLOX -6T evaluation > kit. Received a query as to who I was and why I needed it before the > order would be processed. Working on a low cost RTK system for the very > small farmer. We'll see if I get it. > > N0UU > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
