| 1. | The area of doubt surrounding a position fix is called an error ellipse.
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| 2. | This also had better time discrimination, giving better position fixes.
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| 3. | Periscopes are rarely used, except for position fixes and to verify a contact's identity.
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| 4. | Navigators relied on position fixes to correct for these errors.
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| 5. | In this mode, the device will average its position fixes.
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| 6. | In this way, two position fixes can be obtained daily.
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| 7. | Combining independent methods is used as a way to improve the accuracy of position fixes.
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| 8. | Using the Kaena Point lighthouse for a position fix, Hashizume decided to attack from the north.
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| 9. | To get a position fix the receiver must be in the range of at least four satellites.
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| 10. | Since all physical observations are subject to errors the resulting position fix is also subject to error.
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