SJ 20839-2002 English PDF

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SJ 20839-2002: Computational methods of LW ground-wave transmission channels
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 20839-2002	579	Add to Cart	3 days	Computational methods of LW ground-wave transmission channels	Valid

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Basic data

Standard ID: SJ 20839-2002 (SJ20839-2002)
Description (Translated English): Computational methods of LW ground-wave transmission channels
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: M50
Word Count Estimation: 18,194
Date of Issue: 2002-10-30
Date of Implementation: 2003-03-01
Summary: This standard specifies the long-wave ground-wave field strength and the signal propagation delay is calculated. This standard applies to our long-wave radio system antenna excitation vertical electric field vertical component of the radio signal amplitude and propagation time delay calculations. Transmitting and receiving antenna phase center height of not more than one-sixth of the wavelength.

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