RE:Chemrads/USRADS

["Phil V. Egidi" <7pe@ornl.gov>]

Radsters,
Chemrads systems are greatly improved over those early models (developed 
originally at ORNL).  They now incorporate differential GPS with the 
ultrasonics for excellent coverage and telemetry.  They also have adopted 
multi-detector arrays that greatly reduce MDA for field surveys.  They can 
handle tens of detectors at a time and produce very detailed reports 
quickly. They have restructured the company and have excellent 
support.  They can do the work for you or rent or sell systems. I highly 
recommend them.
Their web site is at:
http://www.chemrad.com/

OK, 2 postings in one day, that's enough!
Phil Egidi
ORNL/GJ
7pe@ornl.gov


At 02:04 PM 2/22/00 -0600, you wrote:
>Chemrad of Oak Ridge sold a system known as USRADS to the Test Site (I was
>one of the crew originally trained to operate it).  This system used a
>backpack with an ultra-sonic crystal that received positioning coordinates
>from transceivers setup around the site.  The instruments were connected to
>the Backpack which sent the readings back to a computer that put every thing
>together.  We had a lot of problems with the device.  If you didn't set up
>the transceivers correctly, the survey map generated would be out of kilter.
>There was also a lot of reliability problems with the hardware and support
>from Chemrad wasn't adequate either.  When the system worked, it worked
>well.  You can mount the backpack on a person or an atv.  You just have to
>work slowly.  I understand that they have replaced the USRADS system with a
>GPS system.  This is supposed to work really well.  Chemrad is Located in
>Oak Ridge, TN on Emory Valley Road.
>
>Terry Harmon
>Sr. Health Physics Tech
>Kelly Scientific Resources
>Phone: (865) 241-0289
>Pager: (865) 417-1592
>Email: onf@ornl.gov <mailto:harmonto@ornl.gov>
>
>         -----Original Message-----
>         From:   Larry Boing [SMTP:lboing@anl.gov]
>         Sent:   Tuesday, February 22, 2000 1:51 PM
>         To:     Multiple recipients of list
>         Subject:
>
>         I have a colleague who needs to perform a survey of a large open
>area
>         ground surface (tens of acres) in order to free release these areas.
>Some
>         areas are marshy and wet so this may complicate things.  Please
>advise me
>         off-line of any available means to perform this survey using some
>sort of
>         vehicle.  I believe the Nevada Test Site and INEEL facilities had
>something
>         like this which they used in the past for this type of work.
>
>         Larry Boing
>         lboing@anl.gov
>         Lawrence E. Boing
>         Argonne National Laboratory
>         Decommissioning Program
>         9700 South Cass Avenue,  Bldg 362 / TD Division
>         Argonne, IL  60439-4815
>
>         Phone       630.252.6729
>         Fax           630.252.1885
>         e-mail:       lboing@anl.gov
>         Web Site:  http://www.td.anl.gov/D&D
>
>**********************************************************************
>
>
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