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Condition: As New. Unread book in perfect condition.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation (Paperback or Softback)
Language: English
Published by Biblioscholar 12/7/2012, 2012
ISBN 10: 1288415079 ISBN 13: 9781288415076
Paperback or Softback. Condition: New. Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation. Book.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Seller: Ria Christie Collections, Uxbridge, United Kingdom
Seller rating 5 out of 5 stars
£ 16.34
£ 11.98 shipping
Ships from United Kingdom to U.S.A.Quantity: Over 20 available
Add to basketCondition: New. In.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
Condition: New.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
Condition: As New. Unread book in perfect condition.
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Condition: New. KlappentextrnrnAn emerging use of GPS is to provide accurate navigation information for satellites in orbit. The GPS satellites are designed to provide service to terrestrial users, so the antenna array points directly towards the Earth and uses.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Language: English
Published by British Library, Historical Print Editions, 2012
ISBN 10: 1288415079 ISBN 13: 9781288415076
PAP. Condition: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Language: English
Published by British Library, Historical Print Editions Dez 2012, 2012
ISBN 10: 1288415079 ISBN 13: 9781288415076
Taschenbuch. Condition: Neu. Neuware - An emerging use of GPS is to provide accurate navigation information for satellites in orbit. The GPS satellites are designed to provide service to terrestrial users, so the antenna array points directly towards the Earth and uses a narrow primary beamwidth. Because GEO altitudes are well above the GPS constellation, the Earth occludes most of the GPS signals to the satellite. Decreased satellite visibility is debilitating, as GPS navigation requires at least four visible satellites to determine position. To assist with the visibility problem, the receiver can look at the GPS satellite transmit antenna side lobes, but this does not entirely solve the navigation problem. GPS measurements are inherently bound by receiver clock errors. The clock error must be known or estimated in order to obtain meaningful ranging information. To obtain threedimensional positioning, at least four satellites must be tracked to solve for three dimensions of position plus the receiver clock error. A new method for improving geostationary navigation accuracy using GPS is to correct the time error by including Two-Way Time Transfer (TWTT) measurements. TWTT is a technique in which signals are simultaneously exchanged between two clocks, and is one of the most accurate methods of comparing clocks. By effectively removing the clock error between the GPS satellite and the GPS receiver, TWTT allows meaningful information to be gathered when less than four GPS satellites are available. The results show a 21-38% improvement in the 3-D RMS position accuracy while using TWTT between the GEO satellite and an atomic clock on the ground. There was a 60-70% improvement when the clock on the ground was synchronized to GPS time.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Language: English
Published by British Library, Historical Print Editions, 2012
ISBN 10: 1288415079 ISBN 13: 9781288415076
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
Seller rating 5 out of 5 stars
£ 16.22
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Ships from United Kingdom to U.S.A.Quantity: Over 20 available
Add to basketPAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.
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Condition: New. Print on Demand pp. 134.
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Condition: New. Print on Demand pp. 134.
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Use of Two-Way Time Transfer Measurements to Improve Geostationary Satellite Navigation
Seller: THE SAINT BOOKSTORE, Southport, United Kingdom
Seller rating 5 out of 5 stars
£ 17.47
£ 13.59 shipping
Ships from United Kingdom to U.S.A.Quantity: Over 20 available
Add to basketPaperback / softback. Condition: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.
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Condition: New. PRINT ON DEMAND pp. 134.
