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Low frequency electric field variations during HF transmissions on a mother-daughter rocketHF wave propagation experiments were conducted on Mother-Daughter rockets in the polar ionosphere. Swept frequency transmissions from the Mother, nominally covering the range from 0.5 to 5 MHz in both CW and pulse modes, are received by the Daughter. In the most recent rocket of the series, the Mother also contained an AC electric field spectrometer covering the frequency range from 10 Hz to 100 kHz in four decade bands. The low frequency response of the ionosphere with respect to waves emitted from the onboard HF transmitter is examined.
Document ID
19770012598
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Rosenberg, T. J.
(Maryland Univ. College Park, United States)
Maynard, M. C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Holtet, J. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Karlsen, N. O.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Egeland, A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Moe, T. E.
(Bergen Univ. Kjeller, United States)
Troim, J.
(Norwegian Defence Res. Estab.)
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Publication Information
Publication: AGARD Artificial Modification of Propagation Media
Subject Category
Communications And Radar
Accession Number
77N19542
Distribution Limits
Public
Copyright
Other
Document Inquiry

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