after. The height-to-top data are good for nearly 4 minutes and then becomepoor as the
cloud spreads out and obscures the top. The thunderhead and height-to-bottom data are
considered good.
The K—17C film exposed in-the RB—36 plane is a particularly good record of the
growth during the first 45 seconds. The shock waveis visible in the air for about 7 seconds,
TABLE 5.1
Film
EG&G
24067
24068
24069
Number
LML
FILMS EXPOSED, SHOT 1
Location
117D
117¢
LIA
Nav.
Data
RBIG
RB36 |
OK
OK
24070
24071
1178
ALD12
"$482
RBI
5615
OK
24072
24073
24074
24050
24051
ALD?
ALDIO
ALDI
5561
5615
§482
HOW
HOW
Poor
Fair
None
-
None
Fair
.
Comments
Poor timing, read 1.5 minute
Poor timing, read 1.3 minute
_ OK to 3.1 minutes
Photos OK, not read
Read 4.2 minutes
Camera failure
Photos fair, read @ rainutes
Camerafailure
No timing marks
Fogged, radiation
24052
24053
24054
NAN
NAN
TARE
OX 80 seconds
OK 48 ‘seconds
OK 44 seconds
24058
24056
TARE
HOW
OK 37 seconds
Fogged, radiation
24057
24058
24063
24064
24065
- 24066
NAN
TARE
HOW
NAN
HOW
NAN
Fogged,
Fogged,
Fogged,
Fogged,
Fogged,
Fogged,
radiation
radiation
radiation
radiation
radiation
radiation
and its intersection with the water surface can be measured for 45 seconds. Its radius in~
creased at a constant rate of 1.31 x 10° feet/seconds to a radius of 69,000 feet by 45 seo~
onds. The-intersection circle provides an unusually good reference for the measurement °
FILMS EXPOSED, SHOT 2
Film
EG&G
Number
LML
Location
Nay.
Data
24567
24568
24869.
24570
24571
121E
3421C
1213
I21A
ALD21
RBIG
6561
5615
6462
RBI6
OK
OK
OK
None
Fair
Poor, timing errors
OK 2.3 minute
OK 2.0 minutes.
Poor, not read
OK 6.5 minutes
24872°
24573
24574
24352
24553
ALDI8
ALDI9
ALD20
5615
$482
8562
NAN
NAN
OK
Poor
OK
Poor, read 10 minutes
OK 10 minutes
OK 7.3 minutes
OK 20 seconds
OK 36 seconds
24554
24558
24556
24562
TARE
TARE
TARE
PARRY
Comsoents
ten
TABLE 8.2
OK 25 seconds
OK 35 seconds
Poor
OK 46 minutes
of cloud heights. The later pictures from this camera are quite poor owing to the long exposures required.
5.3
SHOT 3
Because of heavy cloud cover and local rain squalls, no photographs were obtained for
this shot, from the air or from the ground.
5.4
SHOT 4
The navigation data were good from one plane, fair from two, and poor from the
fourth. Three films were good, four were poor, and one camera jammed. As indicated
21
Sen)
SECRET