Please look at the below website for some pretty good RFI/TVI locating gear. They have a pretty good ultrasonic unit for quite a bit less than the UE Systems. Maybe still pricey for an individual to purchase, but a club might be able to scrounge up the $$. Dave Klinect, KA8MHW Radar Engineers, ask for Fred Horning Telephone: 503-256-3417 website: http://www.radarengineers.com/rfitvi.htm