field, we determine the efficiency for various energies directly beneath
the detector and the angular efficiency since most of the energy being seen
by the detector comes at an angle -- I can't remember exactly where it is,
Harold -- somewhere between 300 and 800, I guess.
,
- The next slide (JK-6) shows the calibration method with the detector
haiiging- on-the support there and the sources placed at various angles.
We
assume ‘that the detector in a hemispheric sense essentially has the same
sensitivity... -..
The
(JK-7)
next_stide
I
think
I
will
show the protocol
of the
10
measurements.
li
a little while ago,—and we would usually contact the residents or owner --
12
they sometimes got disturbed when they saw all of this claptrap set up in
13
their front yard if youdidn'tcontact them, or they weren't home -- and
14
make the measurements, do the site description and mapping, do a few site
15
photographs, and retrieve the equipment and go on our way.
16
We take Frosty Miller's site descriptions which he described
The next slide (JK-8) I think will show some of the -- this is by one
1?
of our better ecological artists.
18
have made to identify the site rather precisely so Howard's people could
19
then come in and locate it.
20
flag on them so that they could see it. . Very often they could see the
21
tripod leg holes in the lawn at the site that we had measured.
“These are the kind of measurements we
In a few placés—we placed pegs with a little
22
This is a page right out of the log book.
23
DR. CALDWELL:
24
DR. KORANDA:
25
takes about 30 minutes.
26
DR. CALDWELL:
27
28
.
How often do you have to have it-set up?
We are measuring 1,800 seconds, -semething like that.
It
—
It's not set up for 24 or 48 hours.-~That's what I was
wanting to know.
DR. KORANDA:
Yes.
Oh, no.
83