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Thanks dw,

The CelestialFix.exe program can load and save files with the extension .obs

Now I am writing an interface between the AlmanqueNautico.exe and CelestialFix.exe

I have attached the input file for CelestialFix.exe, for this exercise
Andrés

-----Mensaje original-----
De: NavList@fer3.com [mailto:NavList@fer3.com] En nombre de dw
Enviado el: lunes, 21 de julio de 2008 12:32
Para: NavList
Asunto: [NavList 5898] Re: Exercise #16 High Altitude Sights near Noon


go to goole groups, and andres' message looks fine.

andres, when using your programs, must the data be typed into each one
as I work through them, or can I create files and pass the names
somehow.  Very nice programs.  Good plots.  Thanks.



On Jul 21, 2:49 am, "Andres Ruiz"  wrote:
> Jeremy,
>
> The declination you has given, has 0.1' of error, see my calculations and 
the USNO datahttp://aa.usno.navy.mil/data/docs/celnavtable.php
>
> ¿This data came from the 1981 NA?
>
> For manual calculation of the fix, a plotting sheet or also a great scale 
nautical chart is used if available.
>
> Andrés
>
> -----Mensaje original-----
> De: NavList@fer3.com [mailto:NavList@fer3.com] En nombre de Anabasis
> Enviado el: miércoles, 16 de julio de 2008 18:35
> Para: NavList
> Asunto: [NavList 5863] Exercise #16 High Altitude Sights near Noon
>
> Exercise 16  Position near Noon by High Altitude Sight
>
> As promised, I am posting a couple of Celestial Navigation problems
> that were presented to me on my Last US Coast Guard Examination.  I am
> quoting them verbatim and will give a list of reference materials
> available in the exam if people wish to replicate my exam conditions.
> Reference materials:  1981 Almanac, Bowditch Vol 2- 1981 edition, HO
> 229 Vol 2, Plotting sheets, plotting tools, non-navigational
> calculator, writing instrument.
>
> Here is the problem and multiple choice options:
> "On 13 November 1981, your 1030 ZT DR position is Lat 19 deg 03'S,
> Long 6 deg 34'E.  You are on course 164 deg T, speed 12 knots.  You
> take the following observations of the Sun:
> Zone Time       GHA             Declination     Observed Altitude (Ho)
> 1112            351 deg 55.4'   S 18 deg 00.4'  88 deg 08.0'
> 1121            354 deg 10.4'   S 18 deg 00.5   88 deg 33.9'
>
> What is the 1200 position?"
>
> A)      Lat 19 deg 22.3'S, Long 6 deg 37.8'E
> B)      Lat 19 deg 20.1'S, Long 6 deg 41.4'E
> C)      Lat 19 deg 17.6'S, Long 6 deg 39.2'E
> D)      Lat 19 deg 15.8'S, Long 6 deg 36.8'E
>
> As a note, the answer MUST be one of the multiple choice options.  If
> your fix does not match the choices, you must choose the one you think
> is most correct.  As you can see, this is mostly a plotting exercise.
> I suggest using the largest scale plotting sheet you can muster.
>
> Jeremy
>
>  19811113 1112.htm
> 6KDownload
>
>  19811113 1121.htm
> 6KDownload
>
>  Exercise #16 High Altitude Sights near Noon.pdf
> 246KDownload


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