[Lowfer] What is this big signal deadening my receiver?

[rick kirby]

I was looking at the grabber expecting to see the usual CW gang on 137 but
all I see is XEB and some big wide monster on top of him! Someone has a big
signal here. What is it?
 
       http://www.ka2pbo.com/captures/capture00454.jpg
 
 
                           Rick   KA2PBO