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,