GeoNotes: A Location-based Information System for Public Spaces

The basic idea behind location-based information systems is to connect information pieces to positions in outdoor or indoor space. Through position technologies such as Global Positioning System (GPS), GSM positioning, Wireless LAN positioning o

GPS system simulation methodology

The following topics are presented: background; Global Positioning System (GPS) methodology overview; the graphical user interface (GUI); current models; application to space nuclear power/propulsion; and interfacing requirements. The discussion is presented in vugraph form

Shuttle Global Positioning System (GPS) design study

The effects of oscillator noise on Shuttle Global Positioning System (GPS) receiver performance, GPS navigation system self-test, GPS ground transmitter design to augment shuttle navigation, the effect of ionospheric delay modelling on GPS receiver design, and GPS receiver tracking of Shuttle transient maneuvers were investigated

Codeless GPS Applications to Multi-Path: CGAMP

Cordless Global Positioning System (GPS) Applications to Multi-Path (CGAMP) is meeting the challenge of exploiting the L-band signals from the Global Positioning System (GPS) satellites for the measurement of the impulse response of radio transmission channels over space-Earth paths. This approach was originally suggested by E. K. Smith and has been pursued by J. Lemmon, without an affordable implementation being identifiable. In addition to the high cost of a suitable P code correlating GPS receiver, there is also the major impediment of the often announced Department of Defense policy of selective availability/anti-spoof (SA/AS) that clouds reliable access to the wideband (20 MHz) P channel of the GPS signals without cryptographic access. A technique proposed by MacDoran utilizes codeless methods for exploiting the P channel signals implemented by the use of a pair of antennas and cross correlation signal detection

APLIKASI PELACAK LOKASI, KECEPATAN, ARAH DENGAN MENGGUNAKAN GLOBAL POSITIONING SYSTEM (GPS) DAN MENGHASILKAN OUTPUT FILE EKSTENSI KEYHOLE MARKUP LANGUAGE (KML) BERBASIS ANDROID

Dengan perkembangan teknologi yang kian maju, manusia dapat membuat berbagai macam peralatan sebagai alat bantu dalam menjalankan berbagai aktivitas untuk mendukung produktifitas. Salah satunya adalah perangkat Handphone berbasiskan system operasi Android yang mengalami perkembangan pesat. Android sebagai sistem operasi yang dapat ditanamkan pada perangkat handphone memiliki kemampuan untuk dapat diinstal aplikasi-aplikasi yang diperlukan oleh pengguna, dimana perangkat Handphone berbasis Android sudah dilengkapi beragam teknologi canggih, salah satunya teknologi Global Positioning System (GPS) yang berfungsi sebagai penanda/pelacak posisi saat ini. Sehingga dengan adanya teknologi ini pengguna semakin mudah untuk melacak posisi keberadaan dan rute yang telah dilaluinya. Tugas akhir ini membahas perancangan antar muka dan pembuatan aplikasi pelacak posisi, kecepatan, arah dan menghasilkan output file Keyhole Markup Language (KML), yang berjalan di system operasi Android. Untuk implementasi aplikasi menggunakan Handphone yang dilengkapi teknologi Global Positioning System (GPS). Pada tugas akhir ini dikembangkan aplikasi pelacak posisi, kecepatan, arah dengan menggunakan Global Positioning System (GPS), diharapkan pengguna yang menggunakan perangkat handphone berbasiskan sistem operasi Android dapat terbantu untuk mengetahui informasi mengenai posisi, kecepatan, dan arah yang disajikan oleh aplikasi ini

Contractor point of view for system development and test program

Industry's practice of testing space qualified hardware is examined. An overview of the Global Positioning System (GPS) Test Program is discussed from the component level to the sub-system compatibility tests with the space vehicle and finally to the launch site tests, all related to the Rubidium clock

Office of Spaceflight Standard Spaceborne Global Positioning System (GPS) user equipment project

The Global Positioning System (GPS) provides the following: (1) position and velocity determination to support vehicle GN&C, precise orbit determination, and payload pointing; (2) time reference to support onboard timing systems and data time tagging; (3) relative position and velocity determination to support cooperative vehicle tracking; and (4) attitude determination to support vehicle attitude control and payload pointing