Marine sextant corrections

Question 1

What do you do with index error

Answer 1

error is positive subtract from reading
error is negative add to reading

Question 2

Name all non adjustable sextant errors

Answer 2

Prismatic error
Graduation error
Centering error

Question 3

Name all adjustable errors

Answer 3

Perpendicularity error
Side error
Collimation error
Index error

Question 4

How long is a chronometer designed to operate

Answer 4

One year on single set of batteries

Question 5

How often and when is the chronometer wound

Answer 5

Once daily at 1130 for 1200 position report

Question 6

What is a comparing watch

Answer 6

Employed to time celestial observations and assist in checking a chronometer against radio time signal

Question 7

What are radio time signals called

Answer 7

Time ticks

Question 8

What two stations broadcast time signals

Answer 8

WWV at fort Collins CO (male voice) 7 1/2 sec before min
WWHV at Kauai HW (female voice) 15 sec before min

Question 9

What time is broadcasted on WWV and WWHV

Answer 9

Coordinated standard time (GMT)

Question 10

Adjustable sextant errors

Answer 10

Side error is the horizon glass not perpendicular

Question 11

Index error

Answer 11

If +then -
If - then +