Download or read book High Frequency Direction Finding Research for Shipboard Use Direction Finder Radio Shipboard Siting and Design Study and Development written by Douglas Travers and published by . This book was released on 1964 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completion of repairs to the AN/SLR-10 spaced-loop antenna including satisfactory access door gaskets is reported. Initial tests on the AN/SLR-11 particularly the antennas and preamplifiers were performed. Equipment developed a number of years ago for azimuth curve plotting was extensively modified in order to replace an obsolete X-Y recorder and to reduce the size and weight of the equipment. The final experimental work toward the selection of a crossed spaced loop direction finding geometry is under way. Mechanical design of the model to be shipboard tested was started. Electronic tuning will be used in the upper frequency range from 2 to 6 mcs, and a self-calibration feature will be included to insure balance of the tuning circuits. The need for more information on required bearing sensitivity is mentioned. Lacking such information, new calculations are under way to set recommended sensitivity requirements for future designs especially in the lower HF range.

Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government wide Index to Federal Research Development Reports written by and published by . This book was released on 1965-03 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Government Research Reports written by and published by . This book was released on 1964 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Government Research Development Reports written by and published by . This book was released on 1965 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Progress in the Development of a Direction Finding System Utilizing the 8 Loop Fixed Spaced Loop Antenna Interim Development Report for Direction Finder Radio Shipboard Siting and Design Study and Development written by and published by . This book was released on 1962 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of a D/F system using the 8-loop antenna (fixed spaced loop) is discussed. New results obtained with the 8-loop antenna and both the twin channel technique and the goniometer method are presented. An improved 8-loop goniometer system has been constructed to provide a laboratory breadboard to solve the basic engineering problems of the system. The receiver requirements for a goniometer scan D/F system are discussed in detail with comparisons of the R-390A, RA. 17C and the AN/SRD-7. Other project work reported for the interim period includes phase stability measurements on the R-390A and RA. 17C receivers. Detailed analysis of polarization response of spaced loop antennas is reported. Brief discussions of the status of the hybrid transformer and the DFG-4 UHF direction finder are given.

Download or read book A Review and Analysis of Shipboard Radio Direction Finding Research at Southwest Research Institute Between 1955 and 1965 written by Douglas N. Travers and published by . This book was released on 1965 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of shipboard high frequency direction finding research at Southwest Research Institute is presented for the ten-year period ending in 1965. Problem factors as recognized prior to 1955 are listed with status for 1955 and 1965 given in tabular form. A more detailed description of the progress made in relation to each factor is also given. Proposed changes in the method of conducting future research are listed. Supporting detail for various aspects of the work are provided. (Author).

Download or read book Government Reports Announcements written by and published by . This book was released on 1972-10 with total page 1290 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book FAA Headquarters Library List of Unpublished Research Reports written by Herner and Company and published by . This book was released on 1961 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ultra High Frequency Direction Finding Study written by Radio Corporation of America. RCA Victor Division and published by . This book was released on 1944 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Radio Direction Finding and Superresolution written by P. J. D. Gething and published by IET. This book was released on 1991 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Enlarged and revised second edition. Modern direction finders, capable of measuring elevation angles as well as azimuth angles on the components of multi-ray wavefields, have become powerful tools for research in ionospheric physics and HF radio propagation. The complexity of the problem of resolving closely-spaced rays requires the combined use of wide aperture antenna arrays, multichannel receiving systems and sophisticated digital processing techniques.

Download or read book NCVA written by George P. McGinnis and published by Turner Publishing Company. This book was released on 1996 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Index written by and published by . This book was released on 1972 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Radio Direction Finding written by United States. Department of the Army and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Proceedings of the Institution of Electrical Engineers written by and published by . This book was released on 1947 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1966 with total page 1258 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1995-10 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt: