The present text sets out a statistical method for calculating the field strength of signals propagated by means of
ionospheric sporadic E (Es) at VHF and, possibly, at higher portions of the HF bands, for distances up to 4 O00 km. The calculation is bas
ITU-R P.534-4-1999 history
2012ITU-R P.534-2012 Method for calculating sporadic-E field strength