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Author : Joseph Horace Pope
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (168 download)
Download or read book Ionospheric Scintillation Predictions for ATS-F at 40 and 360 MHz written by Joseph Horace Pope and published by . This book was released on 1973 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 608 pages
Book Rating : 4.:/5 (318 download)
Download or read book NOAA Technical Report ERL. written by and published by . This book was released on 1971 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 2834 pages
Book Rating : 4.3/5 (121 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1975 with total page 2834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Environmental Science Information Center. Library and Information Services Division
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.3/5 (91 download)
Download or read book Book Catalog of the Library and Information Services Division: Author-title-series indexes written by Environmental Science Information Center. Library and Information Services Division and published by . This book was released on 1977 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Environmental Science Information Center. Library and Information Services Division
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.3/5 ( download)
Download or read book Book catalog of the Library and Information Services Division written by Environmental Science Information Center. Library and Information Services Division and published by . This book was released on 1977 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Environmental Science Information Center. Library and Information Services Division
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.3/5 (91 download)
Download or read book Book Catalog of the Library and Information Services Division: Subject index written by Environmental Science Information Center. Library and Information Services Division and published by . This book was released on 1977 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1466 pages
Book Rating : 4.F/5 ( download)
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.:/5 (327 download)
Download or read book Multipath in Air Traffic Control Frequency Bands written by and published by . This book was released on 1974 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.:/5 (29 download)
Download or read book Indian Journal of Radio & Space Physics written by and published by . This book was released on 1989 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Air Force Cambridge Research Laboratories (U.S.)
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 (91 download)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1974 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick F. Slack
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (32 download)
Download or read book ATS-6 40- and 360-MHz Differential Phase Measurements written by Frederick F. Slack and published by . This book was released on 1976 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equipment employing new cross-correlation design concepts for receiving and processing weak rf signals in a noisy environment is described. It is shown how this equipment becomes an integral part of the instrumentation for measuring the differential phase between the ATS-6 satellite 40- and 360-MHz coherent cw signals that have been propagated through the ionosphere. The relationship between 40-MHz phase and amplitude scintillation was developed using differential phase data from the ATS-6 geostationary satellite. The 40- and 360-MHz coherent signals were propagated through the ionosphere and received on the 150-ft radio telescope at the Sagamore Hill Radio Observatory. The influence that the traveling ionospheric disturbances (TID) have on the phase of the 40-MHz signal receives special emphasis, and it is shown how the presence of TID aids in the analysis.
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ISBN 13 :
Total Pages : 1006 pages
Book Rating : 4.X/5 (4 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel W. Lester
Publisher :
ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (321 download)
Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jules Aarons
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book Equatorial Scintillations written by Jules Aarons and published by . This book was released on 1976 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of satellite communications systems at frequencies varying from approx. 140 to 1600 MHz, as well as navigation and ranging systems in the 1200 to 1600-MHz portions of the spectrum, the effect of equatorial irregularities on fading signals has become of importance. Recent observations of the signal statistics of scintillations at frequencies ranging from 136 MHz to 6 GHz reveal a power-law falloff of irregularity sizes. Power spectra are now available for a variety of conditions and for frequencies from vhf to microwaves. during periods of intense equatorial activity at frequencies to 360 MHz, Rayleigh scattering is frequently experienced.
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ISBN 13 :
Total Pages : 1068 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government Reports Index written by and published by . This book was released on 1973 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Horace Pope
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (3 download)
Download or read book Ionospheric Scintillation Predictions for GOES written by Joseph Horace Pope and published by . This book was released on 1973 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: A world-wide model of ionospheric irregularities giving rise to scintillations was developed by Fremouw and Rino of Stanford Research Institute. This model takes into consideration diurnal, seasonal, and solar variations. Also considered is the dependence on geomagnetic latitude, frequency, and the geometry between the transmitter and the receiver. This model was used to make computations appropriate for the GOES system, assuming the satellite to be parked on 100°W longitude. Calculations were made at 400 MHz for sunspot numbers 30, 100, and 200, coo responding to low, medium, and high solar activity; for solstice and equinoctial periods; and for several times of the day. The results are presented as contour maps of the earth as viewed from GOES. The results show that for low solar activity periods serious scintillations will occur only within about ± 10 degrees of the geomagnetic equator. During moderately active periods stations located in the vicinity of the auroral zones will also be affected. The worst case condition occurs for sunspot number 200, during the equinox, and at midnight , on the longitude of the geostationary satellite. In general, the mid-latitude regions are relatively free from scintillations. These results should be useful in determining the positioning and programming of the data readout of the numerous surface-based stations to be used in connection with the data collection and relay subsystem.
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ISBN 13 :
Total Pages : 530 pages
Book Rating : 4.:/5 (3 download)
Download or read book Indian Science Abstracts written by and published by . This book was released on 1974 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
