we
1 to 5 r/hr.
6
5
9
1
8
9
1
5
5 to 10 r/hr.
1
8
6
4
More than 10 r/hr.
4
oOo
7
9
Dummy
0
3
#4
7
Dummy
Third Digit (Pertinent additional information on
reading reported)
Ww
Instruments (RADIAC) malfunctioning.
OO
Readings fluctuating.
wm
Spotty radiation levels encountered,
non
oO
KF
Ny
wm
wv
wr
NY
Ww
So.
fF
NM
AK
No comment on reported readings, or this is an
amplifying five-digit group.
Radiation levels in the area are higher, but fly‘ing on fringe and taking observations at lower
levels of radiation.
Having passed through rain shower, background
is definitely higher.
Readings fluctuating because of intermittent showers.
Radiation intensity approximately constant since
last report.
Radiation intensity steadily increasing since last
report,
Radiation intensity steadily decreasing since last
‘report.
FourthDigit (General trends of mission and other
pertinent information)
Rad/Safe mission progressing satisfactorily.
Changed track (for rad/safe reasons) to that indicat-
ed in the clear at end of this message,
(Indicate
track change in approximate full degrees of latitude
and longitude from present position).
Having mechanical difficulties which effect Rad/Safe
mission or designated track,
(Amplify at end of
wo
Ww
ADT
RW
Ow
F
wR
&
Do
O
@
Bw
WN
ODO
“NF
7
9
8
Cloud is not visible.
WwW
4
Cloud is visible.
Rm
0
ano
3
6
Oo
message, in the clear, if desired).
TASK GROUP 7.4
OPRS ORDER NO, 2-54
APPENDIX 3, ANNFX "M®
No comment,