'Ephemeris data' presentation slideshows

Global Positioning System (GPS) Basics

Global Positioning System (GPS) Basics. www.unavco.org. GPS receiver. GPS receiver. GPS receiver. The United States maintains a constellation of 24-32 GPS satellites orbiting in a near-circular orbit 20,200 km above Earth

586 views • 37 slides

GPS Error

GPS Error. Atmospheric effects Multipath Satellite geometry Measurement noise Ephemeris data Satellite clock drift Selective availability (SA). Ionospheric & Tropospheric Refraction. Multipath. Satellite Geometry Geometric Dilution of Precision (GDOP).

1.25k views • 20 slides

SBAS IWG/25 St. Petersburg, Russia June 25-27, 2013

SBAS IWG/25 St. Petersburg, Russia June 25-27, 2013. GPS/GLONASS Multi-Constellation SBAS Trial. Takeyasu Sakai Electronic Navigation Research Institute. Introduction. Combined use of GPS and GLONASS with SBAS augmentation: GPS/GLONASS-capable receivers are now widely available;

340 views • 20 slides

175 views • 9 slides

User Defined Data

User Defined Data. Formerly known as Enhanced Validation Test Plan (EVTP) in previous SimGEN versions Allows the use of user generated ASCII text files to supplement or modify the data specified in the GPS Constellation GPS satellite motion Navigation Data Ionospheric delay

184 views • 6 slides