ITU-R P.1147-4-2007
Prediction of sky-wave field strength at frequencies between about 150 and 1 700 kHz

Standard No.

ITU-R P.1147-4-2007

Release Date

2007

Published By

International Telecommunication Union (ITU)

Latest

ITU-R P.1147-4-2007

Replace

ITU-R P.1147-4-2005

Scope

This Recommendation provides a prediction procedure for the frequency range between about 150 and 1700 kHz, for path length between 50 to 12 000 km.

ITU-R P.1147-4-2007 Referenced Document

• ITU-R P.684 Prediction of field strength at frequencies below about 150 kHz*， 2016-09-01 Update
• ITU-R P.832 World atlas of ground conductivities*， 2015-07-01 Update

ITU-R P.1147-4-2007 history

• 2007 ITU-R P.1147-4-2007 Prediction of sky-wave field strength at frequencies between about 150 and 1 700 kHz
• 0000 ITU-R P.1147-4-2005