sanborn pony - What is the observe altitude(Ho(3 points Hs...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Celestial Navigation Capt Sanborn Mini Test 2: Packet 3 Name 3el'L- ~nsj ~ liv{ Test A Questions and definitions: /lAC- ~ ~ 1. Define the sensible horizon I' 1/1~e-~t:J~ tt ?~e. . $u.e/. .. tK$. ~ ';/,.e- d.i:st!!-~1> t:r: 2. . 4. 3. Define Irradiation .,.~~.;. . 'r ' j /J - <-<rr ~, '/lc.I't'ClJ' IlL ~ let' jl7'-'S ~tter kcj/". .~j v- Which bodies are NOT affected by semi diameter? Sfttr5 q-plfJv~ 5. There a number of items corrected for in the body correction of the moon. List 2. 1) .5 . 17. (, ~(#r6/f(~ h...r 2) Au'-,HI r;p l~ Ik J What is standard the standard temperature and pressure used in the nautical almanac? ~. ~d~ (JO.L) k.u~.' ~Cf.g--3" (~ . Why do mariners avoid shooting bodies with altitudes below 15 degrees? ~ f/.os a-/-.<tj,~",,- 1l1(W.re:.5 /, 11- i.J ~ ktj (~~ r ,n-Wt,er :L",an7 1~IlCk~ 6. 7.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
r '- ,. r 8. Why do Mars and Ve correction? 9. In the following diagram, label the geometrical horizon. Problems: z 1. You observe the upper limb of the Sun at a sextant altitude (hs) of 50° 18.7 on 9 September, 1981. The index error is 1.5' off the arc. The height of eye is 43 feet.
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: What is the observe altitude (Ho)? (3 points) Hs L'5/)"-I&'. 7 ( Dip-h. '/ "- -Ii CI . IC r /, 5"-7, I Ha 5J.-/3. $' Body I~.~ ~ Ho 'i1tJ-S1. :z r 2. During eyenina twilight on 25 DecemQ.er, 1981, the sextant altitude (hs) of the planet Venus was 29° 32.2. The height of eye was 45 feet, and index error was 2.' off the arc. What is the observed altitude (Ho)? (4 points) Hs 29'-32.2' Dip-~.5, IC 1-2.6 ... Ha ~q()-), 1. 74 Body-I. 7 " ~ t,5'-Ho ;(1'-;z,-5 \ 3. On 16 January 1981, you take a sight of a star. The sextant altitude (hs) is 4° 15.0'. The temperature is +10° F, and the barometer reads 1010 millibars. The height of eye is 52 feet. The index correction is -1.9'. What is the observed altitude? (4 points) Hs i'. . l.5.tP I Dip-'l.b-:-&-.1 IC-/. 9 Ha 1'0-~. t Body 7/. h '-_ T&P ~ I . ;<-J ~. ~ Ho 3"-53.3' /'...
View Full Document

This note was uploaded on 04/18/2008 for the course DECK DN121 taught by Professor Hall/jablonski/sanborn during the Spring '08 term at United States Merchant Marine Academy.

Page1 / 3

sanborn pony - What is the observe altitude(Ho(3 points Hs...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online