"Jeff Liebermann" wrote in message
...

On Tue, 27 Aug 2013 08:41:02 -0700, "Wayne"
wrote:

Today I saw a Time Warner Cable minivan trolling through the neighborhood.

It appeared to have a four antenna DF array on the roof with vertical
lengths of about 2-3 feet.

What's up with that?

# It's a doppler direction finder array, used to locate cable leaks and
# ingres (leakage into the cable). Something like these perahaps:
# http://kn2c.us/radio-df-ddf2020t/
# http://www.wavetracker.com
# http://www.google.com/patents/US6801162

Ah yes, mystery solved. The antenna array looked exactly like a
"Wavetracker".

Thanks

Wayne W5GIE
Redlands, CA