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Improved VHF direction finding systemDirection finding device operating at very high frequencies requires a loop antenna, mechanical rotation, and large structures. The system is applicable to an unmanned configuration. Direction information is extracted in the form of a direction cosine analog.
Document ID
19690000373
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Graf, E. R.
Neff, H.
Date Acquired
August 5, 2013
Publication Date
September 1, 1969
Subject Category
Electronic Components And Circuits
Report/Patent Number
MFS-20439
Report Number: MFS-20439
Accession Number
69B10378
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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