GPS Mystery Cache
Yaws: Platz für neue Caches
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Difficulty:
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Terrain:
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Size: 
(small)
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Hilfe! Wer kann mir sagen, wo ich mein GPS verloren habe?
Mein gutes altes IdahoMap 60y!
(Die NMEA-Daten auf der Anzeige im Bild haben nichts mit der Lösung zu tun.)
Am 16.11.2011 22:49, schrieb Nick Stubbins:
>
> Dear Yaws,
>
> I am sorry to hear about the fate of your GPS, but am not sure if I can be much help
> in finding it. However, from the data you sent, I was at least able to find out
> the ephemerides data of the four GPS satellites you mentioned. At the time when
> they sent the signals you were receiving, the satellites were located
> exactly above the following positions:
> Satellite #03 N 66° 26.856 W 030 00.000
> Satellite #06 N 39° 38.000 E 044 59.911
> Satellite #08 S 07° 00.000 E 019 51.312
> Satellite #12 N 10° 00.000 E 065 22.153
>
> I don't know if that will help you to locate your GPS, as I am only working here
> as a customer support agent. Unfortunately our engineers cannot spend time
> on private questions like yours, I am sorry. However, I have once heard of a
> nerdy hobby called "Geocaching", in which people search for objects at given
> positions. Maybe you can ask one of these "Cachers" to help you?
>
> Best regards!
> Nick
>
> Fact of the day: did you know?
> Our GPS satellites orbit at a height of 20200km above mean sea level,
> and the earth can be approximated as a sphere with a radius of 6360km.
> _______________________________
> GPS OPERATIONS CENTER
> 300 O'Malley Avenue Suite 41
> Colorado Springs, CO 80912-3041
>
> >
> > On 16.11.2011 22:31, Yaws wrote:
> >
> > To: GPS Operations Center
> > 2nd Space Operations Squadron
> > U.S. Air Force
> > Schriever Air Force Base, CO
> >
> > Dear Sir or Madam,
> >
> > I am sorry to disturb you with this issue, but I have a GPS-related problem
> > that I think I can only solve with your help.
> > Yesterday I was taking a walk in the woods around my home town Potsdam. I was confident
> > to not get lost as I was carrying my outdoor GPS gadget. Unfortunately I happened to
> > stumble over a trunk, and the GPS fell on the ground. :( Shocked, I checked it and
> > it seemed to be broken: it was not showing my actual position any more, but only
> > the satellite IDs that it was listening to (3, 6, 8 and 12) as well as the raw
> > time differences between signal receptions.
> > Apparently, signals from satellites 3 and 6 were received
> > first and without time difference. The signals of the other two satellites
> > arrived together as well, but with a delay of 10 milliseconds with respect to
> > the first two. I was lucky enough to write down these values, but must have lost
> > the broken GPS right where I was standing. As it was getting dark, I headed back home.
> > What I am asking for is if you would be so kind to help me find my GPS?
> > That would be great! Maybe I can get it repaired.
> >
> > Thank you and best regards!
> > Yaws
> >
> > P.S. it was exactly half past 7 p.m. when I read the GPS signal delays,
> > if this is important for you to identify satellite positions.
> > Potsdam is about 35m above sea level.
> >
Deutsche Übersetzung der Emails
Dieser Cache wurde durch die "GPS-Praktikum"-Caches in Thüringen inspiriert, ist aber eine Dimension realistischer 
Additional Hints
(Decrypt)
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