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QPERATIONS ORDER NO, 5-54

MULTI-ENGINE AIRCRAFT RADIOLOGICAL REPORTING CODE
HEADQUARTERS

TASK GROUP 7.4, PROVISIONAL

APO 187, c/o Postmaster

San Francisco, California
7 April 1954, 1800M

1,

PURPOSE:
To provide a code system for reporting radiation encountered by

multi-engine. aircraft in flight. It will be used by all multi-engine
alreraft, except those specifically assigned separate radiological re~
porting codes,

This code has been developed primarily for voice air-to-

ground transmission, to either the AOC or the CIC, on HF Circuit J-410,
2.

APPLICATION:

Multi-engine aircraft to which this code applies will, upon
encountering radiation, transmit the information enumerated below in

accordance with the following sequence,
a.

Aircraft call sign.

b,

The report will be identified as a "Sweet-Sour Report",

c.

Approximate local time, position and altitude of aircraft

d.

Actual code numbers for each shot will be assigned and distri-

e.

Gode for radiation intensity reading (above estimated aircraft

will be given in the clear,

buted by JIF SEVEN prior to first shot.

background),
shot,

(Code numbers will be ro-designated by CJTF SEVEN for each

The numbers appearing below are for example only).
55 No detectable radiation above background.

77 Less than 10 mr/hr, but above background.
33 10 to 50 mr/hr,

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66 50 to 100 m/nr.

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11 100 to 500 nr/hr.

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99 500 to 1000 mr/hr.
22 1 to 5 r/hr.
00 5 to 10 r/hr,

88 More than 10 r/nr.
44 Dummy,

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TASK GROUP 7.4

OPRS ORDER NO, 5~54
ANNEX W

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