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Re: Exercise #16 High Altitude Sights near Noon
From: Dave Walden
Date: 2008 Jul 21, 03:32 -0700
From: Dave Walden
Date: 2008 Jul 21, 03:32 -0700
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. > > Andr�s > > -----Mensaje original----- > De: NavList@fer3.com [mailto:NavList@fer3.com] En nombre de Anabasis > Enviado el: mi�rcoles, 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 --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---