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[aprssig] [aprsisce] Transatlantic balloon attempt

R. Rochte rochte at gmail.com
Sun Mar 25 01:11:46 UTC 2012


This balloon was designed to fly far above the jet stream, not in it.

On Sat, Mar 24, 2012 at 8:18 PM, Andre <aprs at pe1rdw.demon.nl> wrote:

>  OK, sorry I was being pessimistic, I promise it won't happen again and
> keep my hopes up of it surviving untill sun up, maybe by then it will hit
> the jetstream it was suposed to hit today, someone told me it was to far
> south for the stream but was about right in hight.
>
> 73 Andre PE1RDW
> Op 25-3-2012 1:09, Steve Daniels schreef:
>
> ** ** **
>
> Agreed it’s not a burst, worst case a slow leak, and as you say looks to
> be just a cooling of the gas****
>
> ** **
>
> Steve Daniels****
>
> G6UIM****
>
> **Torbay** Freecycle Moderator****
>   ------------------------------
>
> *From:* aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org<aprssig-bounces at tapr.org>]
> *On Behalf Of *R. Rochte
> *Sent:* 24 March 2012 23:59
> *To:* **TAPR APRS Mailing List**
> *Subject:* Re: [aprssig] [aprsisce] Transatlantic balloon attempt****
>
> ** **
>
> The descent rate right now is consistent with what I have seen from zero
> pressure balloons (including solar Montgolfieres) after sun down.  Almost
> certainly not a burst event or anything like that - just a simple cooling
> of the gas.  It's still a long way down to the tropopause from there and it
> will likely slow down as it approaches.  If it does, indeed, drop below the
> tropopause before the sun comes up, then it will start to drop like a rock
> (well, not quite, but a lot faster than we're seeing now).****
>
> ** **
>
> The big question is, how is their ballast-release controlled?  There was a
> tweet earlier that seemed to suggest it was timer-based and should have
> already occurred by now.  If there is also an active ballast release system
> on board (e.g., altitude dependent), then perhaps the flight is just
> getting started.  ****
>
> ** **
>
> 73,****
>
> Robert  KC8UCH****
>
> On Sat, Mar 24, 2012 at 7:52 PM, Greg D <ko6th.greg at gmail.com> wrote:****
>
> One more, 88,935 ft at 23:45z, but only 16mph.  I hope it isn't looking
> out at the vast expanse of ocean ahead and chickening out.  Where is that
> jet stream, anyway?
>
> Greg  KO6TH****
>
>
>
>
> Lynn W. Deffenbaugh (Mr) wrote: ****
>
> Could be a pop and tumble, although I hope not.  At 89,662 feet, the
> copying Digi/IGate pair are right at the edge of the coverage footprint.
>
>   Note: 349 miles from balloon to digi and another 20 miles to the IGate.
>
> **Lynn** (D) - KJ4ERJ - Author of APRSISCE for Windows ****Mobile**** and
> Win32
>
> On 3/24/2012 7:15 PM, Greg D wrote: ****
>
> Not so fast...  aprs.fi just reported a ping at 23:11z.  Dropped a bit in
> altitude and speed.  It may be a long night.
>
> Greg  KO6TH
>
>
> Steve Noskowicz wrote: ****
>
>  ****
>
> Looks like we'll all be wondering until some time in the morning...  Good
> luck Mr. Balloon.****
>
>  ****
>
> --
> 73, Steve, K9DCI ****
>
>
>
> ****
>
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