An Evaluation of Precise Absolute Navigation (PAN) Performance Under Dynamic Conditions

Abstract

This report describes a method where the Global Positioning System (GPS) Precise Positioning Service (PPS) solutions recorded in the field can be reprocessed at a later time with the precise ephemerides, without requiring that the observations be saved. The reprocessing with the precise ephemerides improves the quality of the navigation solutions compared with the solutions obtained when the real-time broadcast ephemerides are used. This report continues the investigation of the Precise Absolute Navigation (PAN) technique by exploring its accuracy under two particular conditions. The first condition is operation with single-frequency observations and use of the broadcast ionospheric model; the second is when the user experiences appreciable height variations due to his motion, as in an aircraft. Also demonstrated are the accuracy of PAN solutions to simulated observations from a high-altitude, low-speed platform, such as an Unmanned Aerial Vehicle (UAV).

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1999
Accession Number
ADA362733

Entities

People

  • Bruce R. Hermann

Organizations

  • Naval Surface Warfare Center

Tags

Communities of Interest

  • Air Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Accuracy
  • Aircrafts
  • Altitude
  • Artificial Satellites
  • Electrons
  • Ephemerides
  • Frequency
  • Global Positioning Systems
  • High Altitude
  • Ionospheric Models
  • Models
  • Navigation
  • Observation
  • Test And Evaluation
  • Unmanned Aerial Vehicles
  • Vehicles
  • World Geodetic System

Readers

  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Autonomy
  • Space