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28問 • 2年前
  • Gabriel Bionat
    • 通報

    問題一覧

  • 1

    corrected for errors of the instrument and observer

    Sextant altitude(Hs)

  • 2

    true altitude of a celestial body above the horizon

    computed altitude

  • 3

    altitude of an object measured by an observer, bending of light

    Apparent altitude

  • 4

    plane passes through the observers eye

    sensible horizon

  • 5

    plane is perpendicular to the true vertical

    geoidal horizon

  • 6

    plane from the eye of the observer

    geometrical horizon

  • 7

    apparent horizon, circle which bounds the observer view of the earth surface

    visible horizon

  • 8

    plane passes through the center of the earth

    celestial horizon

  • 9

    instrument error of the sextant, index and horizon mirrors get slightly adjustment

    index error

  • 10

    semi darkness

    twilight

  • 11

    sun 18* below the horizon too dark

    astronomical twilight

  • 12

    sun 12* below the sun, favorable

    nautical twilight

  • 13

    sun 6* below the horizon too light

    civil twilight

  • 14

    difference between chronometer time and gmt depends on chrono rate

    chronometer error

  • 15

    amount instrument gain and losses in a day

    chronometer rate

  • 16

    amount that must be added

    chronometer correction

  • 17

    navigational triangle formed by arcs

    spherical triangle

  • 18

    angular distance of observers zenith

    zenith distance

  • 19

    reference publication containing info

    nautical almanac

  • 20

    consist of the seven brightest stars of the constellation ursa major

    big dipper

  • 21

    zenith distance if celestial body is on horizon

    90*

  • 22

    altitude if celestial body is on horizon

    0*

  • 23

    instrument used to measure the altitude

    sextant

  • 24

    number of navigational stars used in navigation

    57

  • 25

    true direction of celestial body angle between celestial meridian and vertical circle

    true azimuth

  • 26

    little dipper or little bear

    ursa minor

  • 27

    distance from assumed position to the line of position

    intercept

  • 28

    small circle, parallel, equal altitude

    paralled of altitude

    • seam 2

    seam 2

    Gabriel Bionat · 30問 · 2年前

    seam 2

    seam 2

    30問 • 2年前
    Gabriel Bionat

    mar env

    mar env

    Gabriel Bionat · 64問 · 2年前

    mar env

    mar env

    64問 • 2年前
    Gabriel Bionat

    NAV 6

    NAV 6

    Gabriel Bionat · 48問 · 2年前

    NAV 6

    NAV 6

    48問 • 2年前
    Gabriel Bionat

    (Far)MGMTt

    (Far)MGMTt

    Gabriel Bionat · 40問 · 2年前

    (Far)MGMTt

    (Far)MGMTt

    40問 • 2年前
    Gabriel Bionat

    (Cele)Seam 5

    (Cele)Seam 5

    Gabriel Bionat · 40問 · 2年前

    (Cele)Seam 5

    (Cele)Seam 5

    40問 • 2年前
    Gabriel Bionat

    Marrlaw

    Marrlaw

    Gabriel Bionat · 39問 · 2年前

    Marrlaw

    Marrlaw

    39問 • 2年前
    Gabriel Bionat

    NAV 5 EXAM

    NAV 5 EXAM

    Gabriel Bionat · 40問 · 2年前

    NAV 5 EXAM

    NAV 5 EXAM

    40問 • 2年前
    Gabriel Bionat

    (Fern)Marlaw

    (Fern)Marlaw

    Gabriel Bionat · 44問 · 2年前

    (Fern)Marlaw

    (Fern)Marlaw

    44問 • 2年前
    Gabriel Bionat

    (Aba)OBT

    (Aba)OBT

    Gabriel Bionat · 35問 · 2年前

    (Aba)OBT

    (Aba)OBT

    35問 • 2年前
    Gabriel Bionat

    MARPOWER EXAM

    MARPOWER EXAM

    Gabriel Bionat · 71問 · 2年前

    MARPOWER EXAM

    MARPOWER EXAM

    71問 • 2年前
    Gabriel Bionat

    (Aba)Mar Envi

    (Aba)Mar Envi

    Gabriel Bionat · 35問 · 2年前

    (Aba)Mar Envi

    (Aba)Mar Envi

    35問 • 2年前
    Gabriel Bionat

    Marcom

    Marcom

    Gabriel Bionat · 47問 · 2年前

    Marcom

    Marcom

    47問 • 2年前
    Gabriel Bionat

    indigenous

    indigenous

    Gabriel Bionat · 46問 · 2年前

    indigenous

    indigenous

    46問 • 2年前
    Gabriel Bionat

    MGMT

    MGMT

    Gabriel Bionat · 34問 · 2年前

    MGMT

    MGMT

    34問 • 2年前
    Gabriel Bionat

    seam 22

    seam 22

    Gabriel Bionat · 23問 · 2年前

    seam 22

    seam 22

    23問 • 2年前
    Gabriel Bionat

    NAVI 6

    NAVI 6

    Gabriel Bionat · 59問 · 2年前

    NAVI 6

    NAVI 6

    59問 • 2年前
    Gabriel Bionat

    What

    What

    Gabriel Bionat · 35問 · 2年前

    What

    What

    35問 • 2年前
    Gabriel Bionat

    11

    11

    Gabriel Bionat · 57問 · 2年前

    11

    11

    57問 • 2年前
    Gabriel Bionat

    Capital - Asia

    Capital - Asia

    Gabriel Bionat · 49問 · 2年前

    Capital - Asia

    Capital - Asia

    49問 • 2年前
    Gabriel Bionat

    問題一覧

  • 1

    corrected for errors of the instrument and observer

    Sextant altitude(Hs)

  • 2

    true altitude of a celestial body above the horizon

    computed altitude

  • 3

    altitude of an object measured by an observer, bending of light

    Apparent altitude

  • 4

    plane passes through the observers eye

    sensible horizon

  • 5

    plane is perpendicular to the true vertical

    geoidal horizon

  • 6

    plane from the eye of the observer

    geometrical horizon

  • 7

    apparent horizon, circle which bounds the observer view of the earth surface

    visible horizon

  • 8

    plane passes through the center of the earth

    celestial horizon

  • 9

    instrument error of the sextant, index and horizon mirrors get slightly adjustment

    index error

  • 10

    semi darkness

    twilight

  • 11

    sun 18* below the horizon too dark

    astronomical twilight

  • 12

    sun 12* below the sun, favorable

    nautical twilight

  • 13

    sun 6* below the horizon too light

    civil twilight

  • 14

    difference between chronometer time and gmt depends on chrono rate

    chronometer error

  • 15

    amount instrument gain and losses in a day

    chronometer rate

  • 16

    amount that must be added

    chronometer correction

  • 17

    navigational triangle formed by arcs

    spherical triangle

  • 18

    angular distance of observers zenith

    zenith distance

  • 19

    reference publication containing info

    nautical almanac

  • 20

    consist of the seven brightest stars of the constellation ursa major

    big dipper

  • 21

    zenith distance if celestial body is on horizon

    90*

  • 22

    altitude if celestial body is on horizon

    0*

  • 23

    instrument used to measure the altitude

    sextant

  • 24

    number of navigational stars used in navigation

    57

  • 25

    true direction of celestial body angle between celestial meridian and vertical circle

    true azimuth

  • 26

    little dipper or little bear

    ursa minor

  • 27

    distance from assumed position to the line of position

    intercept

  • 28

    small circle, parallel, equal altitude

    paralled of altitude