posted on Nov, 21 2005 @ 07:57 AM
Above is a updating Gif
This chart shows received signal power (dBm) as a function of frequency (MHz). The blue curve is the minimum signal level observed during the last
twenty minutes ending at the time given on the chart. The black curve is the median and the red curve, the maximum signal observed over this time
Below is a link to the HAARP Magetometer
From the above link you can look at reads from several stations and do back search to look at other periods..