The Afgl Absolute Gravity Measuring System
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The Afgl Absolute Gravity Measuring System
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Author : Robert L. Iliff
language : en
Publisher:
Release Date : 1983
The Afgl Absolute Gravity Measuring System written by Robert L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Gravity categories.
The Afgl Absolute Gravity Measuring System
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Author : Robert L. Iliff
language : en
Publisher:
Release Date : 1983
The Afgl Absolute Gravity Measuring System written by Robert L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Gravity categories.
The Afgl Absolute Gravity Measuring System A Final Report And Operatint Maintenacne Manual
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Author : Robert L. Iliff
language : en
Publisher:
Release Date : 1983
The Afgl Absolute Gravity Measuring System A Final Report And Operatint Maintenacne Manual written by Robert L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
The Afgl Air Force Geophysics Laboratory Absolute Gravity Measuring System A Final Report And Operating Maintenance Manual
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Author : R. L. Iliff
language : en
Publisher:
Release Date : 1983
The Afgl Air Force Geophysics Laboratory Absolute Gravity Measuring System A Final Report And Operating Maintenance Manual written by R. L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
A multiyear program at the Air Force Geophysics Laboratory (AFGL) has produced an instrument for absolute gravity measurements accurate to eight decimal places. This transportable instrument has been used to measure gravity at a calibration line through the central part of the United States, as well as at Hanscom AFB, Mass. The final version of the equipment is described. Data processing procedures, corrections applied, and the determination of these corrections are given. The report also gives operation and maintenance procedures for the apparatus. Also included in the report is a history of the development of the absolute-gravity measuring apparatus, including development of the first prototype instrument, experiments with an apparatus incorporating a falling chamber-within-a-chamber, the ideas behind this approach, and the shortcomings that caused a return to the single-chamber approach.
The Afgl Absolute Gravity System S Error Budget Revisited
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Author : Robert L. Iliff
language : en
Publisher:
Release Date : 1985
The Afgl Absolute Gravity System S Error Budget Revisited written by Robert L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Gravimeters (Geophysical instruments) categories.
New Techniques For Absolute Gravity Measurements
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Author : James A. Hammond
language : en
Publisher:
Release Date : 1983
New Techniques For Absolute Gravity Measurements written by James A. Hammond and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Acceleration (Mechanics) categories.
A brief history and the present status of a system for the measurement of absolute gravity is presented. Various corrections to the measured value are also given.
The Afgl Air Force Geophysics Laboratory Absolute Gravity System S Error Budget Revisted
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Author : Robert L. Iliff
language : en
Publisher:
Release Date : 1985
The Afgl Air Force Geophysics Laboratory Absolute Gravity System S Error Budget Revisted written by Robert L. Iliff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
The error budget for the absolute gravity measuring instrument has been reevaluated for the purpose of locating and correcting an apparent bias that appeared in the data at the gravity lab early in 1981. The results of this analysis reveal a major equipment-induced error and minor data reduction errors. Revised gravity values at various sites across the U.S. and Sevres, France are given along with values obtained with other instruments at collocated sites. Keywords: Absolute gravity; Gravity; Interferometer.
New Techniques For Absolute Gravity Measurements
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Author : James A. Hammond
language : en
Publisher:
Release Date : 1983
New Techniques For Absolute Gravity Measurements written by James A. Hammond and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Acceleration (Mechanics) categories.
A brief history and the present status of a system for the measurement of absolute gravity is presented. Various corrections to the measured value are also given.
Balloon Borne High Altitude Gravimetry
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Author :
language : en
Publisher:
Release Date : 1985
Balloon Borne High Altitude Gravimetry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Acceleration (Mechanics) categories.
Gravity measurements from a high-altitude balloon were made in late September to verify global and upward-continued gravity models. The first flight was intended to provide balloon motion and environment data with a preliminary estimate of the quality of measured gravity values. A balloon operates in a dynamic, largely unpredictable environment; thus, the gravimeter senses accelerations due to balloon motions as well as gravitational acceleration. Independent measurements of balloon motions from an intertial navigation package (three accelerometers, three rate gyros, three-axis magnetometer and two tiltmeters) combined with ground tracking (X, Y and Z position and velocity) will allow for separation of balloon-induced accelerations from gravitational acceleration to 1 mGal, using tracking data to an accuracy of about 5 cm/sec in velocity for Eotvos corrections, and position to 1 m. This first engineering flight was planned to coincide with the lowest seasonal wind velocities over Holloman AFB, where AFGL has its permanent balloon launch facility. Mild wind velocities are desired to provide the most benign environment possible during the testing phase, and to keep the balloon within tracking range. The experiment design, launch, and flight operations, and a first look at the data are presented.
Report On Research At Afcrl
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Author : Air Force Cambridge Research Laboratories (U.S.)
language : en
Publisher:
Release Date : 1976
Report On Research At Afcrl written by Air Force Cambridge Research Laboratories (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Geophysics categories.