Empirical formulae are presented for the evaluation of the monthly median basic MUF for the propagation path.
ITU-R P.1240-1-2007 history
2015ITU-R P.1240-2015 ITU-R methods of basic MUF, operational MUF and ray-path prediction
2007ITU-R P.1240-1-2007 ITU-R Methods of Basic MUF Operational MUF and Ray-Path Prediction
ITU-R P.1240-1-2007 ITU-R Methods of Basic MUF Operational MUF and Ray-Path Prediction was changed to ITU-R P.1240-2015 ITU-R methods of basic MUF, operational MUF and ray-path prediction.