Omega Signal Coverage Prediction Diagrams for 10.2 kHz. Volume III. Composite Diagrams.

Individual Omega station and composite (Omega Navigation System) 10.2 kHz signal coverage prediction diagrams have been developed for eight times. The diagrams show the global accessibility of 'usable' 10.2 kHz signals at eight fixed diurnal/seasonal times for two usable signal access crit...

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Bibliographic Details
Main Authors: Gupta, Radha R, Donnelly, Stephen F, Creamer, Paul M, Sayer, Suzanne
Other Authors: ANALYTIC SCIENCES CORP READING MA
Format: Text
Language:English
Published: 1980
Subjects:
Navigation and Guidance
*OMEGA NAVIGATION
SIGNAL TO NOISE RATIO
PHASE
TIME
SIGNALS
ACCESS
AREA COVERAGE
DIAGRAMS
VERY LOW FREQUENCY
South Pole
South pole
Online Access:http://www.dtic.mil/docs/citations/ADA092743
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA092743
Description
Summary:Individual Omega station and composite (Omega Navigation System) 10.2 kHz signal coverage prediction diagrams have been developed for eight times. The diagrams show the global accessibility of 'usable' 10.2 kHz signals at eight fixed diurnal/seasonal times for two usable signal access criteria. Criterion I requires: signal-to-noise ratio (SNR) or = -20 dB (in a 100 Hz noise bandwidth) and delta phi or = 20 centicycles (cen), where delta phi is the modal interference-induced phase deviation in the signal phase relative to the reference signal phase. Criterion II differs from Criterion I in that the SNR or = -30 dB. Volume III contains 48 composite coverage diagrams which embody the eight coverage times, two signal access criteria, and three different projections (North and South pole centered Azimuthal Equal Distance, and Mercator). Each diagram displays the global accessibility of usable signals from the system for a designated signal access criterion and coverage time. See also Volume 4, AD-A092 744.

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