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birding-aus
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birding-aus
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| Subject: | parabolic reflectors |
| From: | Roger Coles <> |
| Date: | Wed, 04 Mar 1998 10:41:00 |
Dear Bird Persons
Does anyone use parabolic reflectors for recording bird sounds? If so, I am
interested in the acoustical performance of these devices.
In particular, I am trying to track down information on the 24" Grampian
parabolic reflector. These reflectors were in use about 35 years ago I
believe, and I am wondering anyone still has one perhaps, or if they know
anything about its design/performance etc. Any information gratefully
received.
Thank you.
Roger
...................................................
Dr. Roger B Coles
Vision, Touch & Hearing Research Centre
Dept. of Physiology & Pharmacology
The University of Queensland
Brisbane, Queensland
AUSTRALIA 4072
TEL: + 61 7 3365 2182
FAX: + 61 7 3365 4522
email:
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