Thaler explained his plans for instrumentation.
shot in deep water, positioning would
be something as in the sketch, with
two strings, eight pressure-sensing
elements per string, enabling a
For the surface
LU
cr
depth)
sPrriioceft from a region 200 ft
/1000 ft (the interesting
vegice for‘eitmarines).
Barge
n
*.
ee
Instrumentation
For the 1¢goon measurements, they would participate in the shot
recammended by LiSL ids a good one, using a series of stations (probably
three, possibly four) which would contain probably six to eight pressure-
sensing elements peristation, and in addition employing ball crusher gauges
for peak pressure.
i
The pressure-spriing elements would be mounted on tuna cans
(weight ~ 1 ton aplece),“d
gets back to ‘iashington. He added
experiment if they chose the
since the water there is so
Aronson stated that NOL
to this measurement to get more da
1.6
f which will begin just as soon as Thaler
that he would be um-illing to do this
location (north of Bikini) for the shot,
twould mean woricing in 9 or 10 ft swells.
~considering adding 2 munber of channels
ints.
Acoustic Pressure Signals in he - (ONR)
mt invoalyes no personnel nor instruThis is an off-site experiment;
mentation in the
Water “‘ave Studies - (ONR, NOL)
iJ
Interest is in such measurements in bot} deep and shallow water
also for some measurements going up a beach.
ce
eae
and
ic
mao
1.7
Atolls.
rey
i po
1.8 Close-in Ground Accelerations (SRI, BRL, Candi)
Everyone is agreed this should be very limites;“but.should be done.
~23~