Latest offering from NASA displays ionospheric data on google earth with KMLs for MUF and f0f2 with ten minute update.
http://science.nasa.gov/headlines/y2008/30apr_4dionosphere_launch.htm
Roger G4OWG
In reply to G4OWG:
There is a real-time Web site.
http://www.vhfdx.net/spots/map.php
It will provide real time - QSO’s shown. 28,50,70,144 & 430 Mhz.
Similarly, the MUF!
Very interesting for DX !