[aprssig] RE: SDG-9 is now aloft 1753 EDT

[Robert Bruninga]

Gone.  I just noticed at 1753 EDT that I don't hear it anymore.
SO throw in another 6 dB at this time.  SO now I would  say it
is 8 times as far from Annapolis as it was when I first heard
it.  And that is not a very long time!

Bob, WB4APR 

> -----Original Message-----
> From: Robert Bruninga [mailto:bruninga at usna.edu] 
> Sent: Friday, March 21, 2008 5:36 PM
> To: 'Robert Rochte'; 'Balloon_Sked'; 'Ralph Wallio, W0RPK'; 
> 'Pierre Thomson'; 'Bill Brown'; 'Joe'; 'Phil Manor'; 'Mike
Manes'
> Cc: Bob Bruninga; 'TAPR APRS Mailing List'
> Subject: RE: SDG-9 is now aloft 1732 EDT
> 
> Really weak now at 1732 EDT.  Had to listen three revs to get
it
> right.
> Beam heading kinda NE from Annapolis, but my 3 element beam is
> not sharp (and never been used before so I have no feel for
> it)...
> 
> Codes is now F205 and A181
> 
> But I would guess another 6 db worse than last report. So from
> my initial signal report I am now down 12 dB.  This means the
> distance to the ballooon from Annapolis has changed by a
factor
> of 4 between my first report and this report.  Drawing
> concentric rings that are a factor of 4 in range combined with
> other data, should be able to give a rough fix...?
> 
> Bob, WB4APR
> 
> > -----Original Message-----
> > From: Robert Rochte [mailto:rochte at gmail.com] 
> > Sent: Friday, March 21, 2008 12:55 PM
> > To: Balloon_Sked; Ralph Wallio, W0RPK; Pierre Thomson; Bob 
> > Bruninga; Bill Brown; Joe; Phil Manor; Mike Manes
> > Subject: SDG-9 is now aloft
> > 
> > Soli Deo Gloria 9, a stratospheric superpressure balloon
> carrying a 10
> > metre CW beacon, was launched from Grosse Pointe Farms,
> Michigan,
> > approximately 17 minutes ago.
> > 
> > This balloon is a joint venture combining the talents of
yours
> truly,
> > KC8UCH from the Grosse Pointe Academy, and Pierre Thomson,
> KA2QPG.  If
> > it survives pressurization, it will be our first successful
> > stratospheric superpressure and it could theoretically reach
> the
> > European mainland in approximately three days.
> > 
> > The beacon will be transmitting the following string on
29.499
> Mhz
> > using conventional CW:
> > 
> >    DE KA2QPG BLN F 000  A 000 EMAIL ROCHTE AT GMAIL.COM  AR
> > 
> > Where the number following "F" is a frame counter,
> incrementing with
> > each transmission, and the number following "A" is a numeric
> code
> > representing temperature.  A table of numeric values and
> associated
> > temperatures will be published once the balloon is aloft.
> > 
> > Signal reports are GREATLY appreciated!
> > 
> > (Note that I may have reversed the order of the "F" and "A"
> strings -
> > Pierre, could you please confirm?)
> > 
> > 73,
> > Robert  KC8UCH
> > 
> 
>