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PiVoT GPS ReceiverNASA Goddard Space Flight Center has built an open architecture, 24 channel spaceflight Global Positioning System (GPS) receiver. The compact PCI PiVoT GPS receiver card is based on the Mitel/GEC Plessey Builder 2 board. PiVoT uses two Plessey 2021 correlators to allow tracking of up to 24 separate GPS SV's on unique channels. Its four front ends can support four independent antennas, making it a useful card for hosting GPS attitude determination algorithms. It has been built using space quality, radiation tolerant parts. The PiVoT card works at a lower signal to noise ratio than the original Builder 2 board. It also hosts an improved clock oscillator. The PiVoT software is based on the original Piessey Builder 2 software ported to the Linux operating system. The software is posix compliant and can be easily converted to other posix operating systems. The software is open source to anyone with a licensing agreement with Plessey. Additional tasks can be added to the software to support GPS science experiments or attitude determination algorithms. The next generation PiVoT receiver will be a single radiation hardened compact PCI card containing the microprocessor and the GPS receiver optimized for use above the GPS constellation.
Document ID
20010037689
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Wennersten, Miriam
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Banes, Vince
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Boegner, Greg
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Clagnett, Charles
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Dougherty, Lamar
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Edwards, Bernard
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Roman, Joe
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Bauer, Frank H.
Date Acquired
August 20, 2013
Publication Date
January 1, 2001
Subject Category
Aircraft Communications And Navigation
Meeting Information
Meeting: GPS Conference
Location: Salt Lake City, UT
Country: United States
Start Date: September 11, 2001
End Date: September 14, 2001
Sponsors: Institute of Navigation
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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