From Sputnik II to Transit

  • Helen Gavaghan


On November 8, 1957, Ralph Gibson dipped into the director’s discretionary fund for $20,000 to fund Project D-54-to determine a satellite orbit from Doppler data, and he assigned technical and engineering support to Guier and Weiffenbach.


Radio Wave Orbital Determination Special Project Inertial Guidance System Naval Research Laboratory 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Helen Gavaghan

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