000 -LEADER |
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01020nam a2200205 4500 |
005 - DATE AND TIME OF LATEST TRANSACTION |
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20151113134042.0 |
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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151113b xxu||||| |||| 00| 0 eng d |
040 ## - CATALOGING SOURCE |
Transcribing agency |
UG |
050 ## - LIBRARY OF CONGRESS CALL NUMBER |
Classification number |
QC973.4 I6 |
Item number |
U55 |
110 ## - MAIN ENTRY--CORPORATE NAME |
Corporate name or jurisdiction name as entry element |
United States. Department of Commerce. Office of Telecommunications. |
245 ## - TITLE STATEMENT |
Title |
Ionospheric predictions.- |
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) |
Place of publication, distribution, etc |
Washington, D.C. : |
Name of publisher, distributor, etc |
U.S. Government Printing Office, |
Date of publication, distribution, etc |
1971. |
300 ## - PHYSICAL DESCRIPTION |
Extent |
3 vol.- |
490 ## - SERIES STATEMENT |
Series statement |
(Telecommunications : research and engineering ; report |
Volume number/sequential designation |
13). |
505 ## - FORMATTED CONTENTS NOTE |
Formatted contents note |
Vol. - The estimation of maximun usable frequencies from world maps of MUF (ZEROP)F2, MUF(4000)F2 and MUF(2000)- Vol.2 - Maximum usable frequenciesMUF(ZERO) F2, MUF(4000)F2, MUF(2000) E for a period of minimum solar activity, R12-10.- Vol.3 - Maximum usable frequencies MUF(ZERO) F2, MUF(4000)F2, MUF(2000)E for a maximum solar activity period of an average solar cycle, R12=110. |
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
Topical term or geographic name as entry element |
Ionospheric forecasting. |
942 ## - ADDED ENTRY ELEMENTS (KOHA) |
Source of classification or shelving scheme |
|
Entry Department |
SYS |