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Title: GPSR. Global Positioning Satellite Recorder

Abstract

The GPS Tracker is a device (automotive unit) that records position (latitude and longitude), date, and time autonomously with time. The data from the GPS Tracker can be used offline with a personal computer and map data base to plot the track of where a vehicle or other mobile battery powered object has been. The invention simplifies field operations for recording location autonomously by obviating the need to execute a set of detailed instructions prior to operation. The vehicle combines GPS technology and a cpu with custom software to accomplish the task.

Authors:
 [1]
  1. Westinghouse Savannah River Co., aiken, SC (United States)
Publication Date:
Research Org.:
Westinghouse Savannah River Co., Aiken, SC (United States)
Sponsoring Org.:
USDOE Office of Energy Research, Washington, DC (United States)
OSTI Identifier:
585124
Report Number(s):
ESTSC-001201IBMPC00
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Oct 1994
Country of Publication:
United States
Language:
English
Subject:
99 MATHEMATICS, COMPUTERS, INFORMATION SCIENCE, MANAGEMENT, LAW, MISCELLANEOUS; S CODES; POSITIONING; COMPUTER PROGRAM DOCUMENTATION

Citation Formats

Reeves, G. GPSR. Global Positioning Satellite Recorder. United States: N. p., 1994. Web.
Reeves, G. GPSR. Global Positioning Satellite Recorder. United States.
Reeves, G. 1994. "GPSR. Global Positioning Satellite Recorder". United States. doi:.
@article{osti_585124,
title = {GPSR. Global Positioning Satellite Recorder},
author = {Reeves, G.},
abstractNote = {The GPS Tracker is a device (automotive unit) that records position (latitude and longitude), date, and time autonomously with time. The data from the GPS Tracker can be used offline with a personal computer and map data base to plot the track of where a vehicle or other mobile battery powered object has been. The invention simplifies field operations for recording location autonomously by obviating the need to execute a set of detailed instructions prior to operation. The vehicle combines GPS technology and a cpu with custom software to accomplish the task.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = 1994,
month =
}

Technical Report:
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  • This manual provides information needed to use the Global Positioning System Recorder Data processing software. The software runs on an IBM compatible computer. The DeLorme XMp program requires Microsoft Windows and a CDROM reader. Section 5.1 `Copy GPSR data from PCMCIA card` and Section 5.4 `PCMCIA card setup for field use` require a PCMCIA drive installed in the computer. The user interfaces with the software using a computer keyboard and when in Windows, a mouse. New users can be trained by anyone with experience using the system.
  • The GPS Tracker is a device (automotive unit) that records position (latitude and longitude), date, and time autonomously with time. The data from the GPS Tracker can be used offline with a personal computer and map data base to plot the track of where a vehicle or other mobile battery powered object has been. The invention simplifies field operations for recording location autonomously by obviating the need to execute a set of detailed instructions prior to operation. The vehicle combines GPS technology and a cpu with custom software to accomplish the task.
  • A 45-station geodetic network was established in 1987 using global positioning system (GPS) technology to provide a means of monitoring strain and deformation in the central and eastern United States. Reduction of the initial epoch data showed that accuracies of 1 to 3 cm can be achieved for horizontal position, provided sufficient observations are available and there are four or more fiducial stations whose positions are known a priori, for example from Very Long Baseline Interferometry measurements. Accuracies obtained provide the ability to determine strain at the 1:10{sup 7} to 1:10{sup 8} level. Vertical positions are less accurate because ofmore » problems in modeling refraction and are determined at the 5 to 7 cm level. It is planned to remeasure this network at regular intervals in the coming years to place bounds on the strain occurring in the central and eastern United States. This network is also expected to serve as a reference network for more detailed monitoring networks in areas of high risk such as the New Madrid area. Future measurements are expected to provide more accurate results because of increased numbers of GPS satellites available and improved computation software. The improved software will also allow future upgrading of the accuracy of the 1987 observations. 3 figs., 5 tabs.« less
  • It is well known that the most-accurate positioning information obtainable from the GPS system, in the traditional application where the receivers are located on or very near to the surface of the earth, i.e., beneath the ionosphere, is achieved through use of the two-frequency method so that the ionospheric component of the ranging error can be removed. However, in an application where a GPS receiver is itself located on a spacecraft orbiting above some of the electron content in the ionosphere and protonosphere, the question as to whether a two-frequency system is necessary may have a different answer. In thismore » preliminary study, the parameters of the latter question are explained and the range of errors which might be experienced by a single-frequency system are estimated.« less
  • This report describes the design and operation of the BDD, a four-channel spectrometer carried by some satellites of the Global Positioning System to collect data about magnetically trapped particle fluxes. The methods of data collection and analysis are also discussed.