Below are links to a HYSPLIT 12-hour trajectory prediction based on the last estimated lat/long that I saw on APRS.fi at 0300 UTC and Bob's altitude estimate of 15,000 feet. The first link is to a PDF and the second is to a Google Earth KMZ.
http://gptek.net/trajplot_12102.pdf http://gptek.net/HYSPLITtraj_12102.kmz This prediction puts the balloon over Bermuda at around 2100 UTC on 30 Mar 2012. 73, Robert KC8UCH On Thu, Mar 29, 2012 at 8:43 PM, Bob Bruninga <bruni...@usna.edu> wrote: > Balloon was released at 2330z (1930EDT) and is headed SE from Annapolis at > 6 > knots. > > Rising very slowly. But it reached Freezing (0C) at 0020z so that should be > about 7500' > > See http://aprs.org/balloons.html > > -----Original Message----- > Sent: Thursday, March 29, 2012 4:43 PM > > But We notice another Device with CW on nearly the same freq. Our dial > freq > will be 28.223 USB dial, but we hear another CW signal (Italian) down at > 28.222 USB dial.</B> > <P> > > Filling balloons now. > > -----Original Message----- > Balloon web page is up. Launch hopefully by sunset from Annapolis > Maryland. > > Start here: http://aprs.org > > > -----Original Message----- > If we are lucky, we hope to launch our 6 party-balloon long duration > payload > Thursday evening around sunset EST. It has no APRS, just a 10m CW > telemetry system. We will have to locate it by signal strength and beam > headings only. > > If you have APRS you can uplink your beam heading via APRS so we can see > the > DF solution maybe... > > More tomorrow (again, if we are lucky). It will only be at 15,000 feet or > so, vulnerable to weather and not so great winds... > > The battery could last 10 days.... > > Bob, WB4APR > > > > > _______________________________________________ > aprssig mailing list > aprs...@tapr.org > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig > _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb