H-6--72
7.
Afi -i.f Rg po 2 5
Since startong oor tn; . prohlem an st sever months ago, a comaiderable part
of the time has 2eer
spert or
ourselwes ir ordar ic
oollig ar: de-bdugging, which we undertook
l@art ote 2
une fe Model 701,
out data, we demmratrate* tha’ .es8
Usdng Brawo fall-
6 uares solutions could be obtained
for the various parametri- cuactities inwuivec,
However, the "best" values,
as selected . % ‘is way, gave iistart “all-out predietions that were only 20
to 30F
of the onserve
wacuee,
an
t's
attention te Nevads data “o7 a wh. oe
that seamed ':
We then turned
ami becare interested in an approximation
Hefore “1a possi: i.ity had been fully explored,
dvemmoce (nerat:
we worked toget’e
our codes tc
wea not good.
f’e- s hope of eliminating one of the two steps in the
double integra. om.
M-, Vay shelton
"fit"
os Tiwiston, joined forces with us, and
7" ° a wees oo UR.
anc UR-".
Mr. Shelton then took
Tivermure and cert tinued wovking on the Nevada data, willie we
turned attent.cr
agai:
tc
the Brew
that the metro g¢ vee watisfact m
contimui.g work or ctter micts
wry
ar,
Shelton has reported recently
tes ..te for UR-1 and UK-7, and he is
we have cancentrated on the problem of
predicting tre Brave fall-ouw. o tre asaumption tnat practically all cf the
activity in tie tritda
cloud was located above tre tropopause.
To date,
our method of ca.icuilation has not been at.e to give satisfactory results,
even wher the wincs were artditrariiy twisted to maxe the fall-out occur in
more nearly tre righ place.
not have any cloud mode.
&t
.°\s point we feel, therefore, that we do
tr which we care confidence.
We have merely a
mechanish of calcu a toi, tee wale «” wict hea rot yet been proven 48
\
:
far as Brave {4 > oncerned
poder
yey
J
Fn
+
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