April has remained fairly quiet with occasional disturbances. May should remain the same with a possible disturbance on the 4th and 5th. The Solar Flux is fluctuating between 75 and 84, roughly every 7 days. The Boulder A index is fluctuating in a similar way between 5 and 8, and the K index is likely to remain between 2 and 3 in a similar pattern during May. Conditions are forecast to remain mainly quiet with a 50% probability of C class flares.( http://prop.hfradio.org/ ) Maximum useable frequencies are likely to remain between 6 and 7 Megs during daylight hours.(http://hfradio.org/fot_7.html)
The May report in the Communication Journal has been reduced due to publication of Broadcasts In English
Thanks to Ken Fletcher and Mike Terry for regular updates.