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SJ 20839-2002 English PDF

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SJ 20839-2002: Computational methods of LW ground-wave transmission channels
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SJ 20839-2002English579 Add to Cart 3 days [Need to translate] Computational methods of LW ground-wave transmission channels Valid SJ 20839-2002

PDF similar to SJ 20839-2002


Standard similar to SJ 20839-2002

JT/T 808   JT/T 1078   GB/T 19392   SJ 20796A   SJ/T 11588   SJ 21105   

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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