Stephen Cowell wrote:
"Dave Shrader" wrote in message
news:cGhTb.201548$I06.2220041@attbi_s01...

Diversity DF???


Could be a big loop Yagi...the wide-angle
lens has distorted the horizontal axis. Are
the loops lined up, or are they at staggered
heights?

Its not a wide angle lens. They are at varying heights. From the
responses I guess this must be some sort of tracking system for marine
mammal research. Whales, seals, etc. Don't know for sure.