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Unformatted text preview: What is the observe altitude (Ho)? (3 points) Hs L'5/)"I&'. 7 ( Diph. '/ " Ii CI . IC r /, 5"7, I Ha 5J./3. $' Body I~.~ ~ Ho 'i1tJS1. :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 12.6 ... Ha ~q()), 1. 74 BodyI. 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' /'...
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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.
 Spring '08
 Hall/Jablonski/Sanborn

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