While these researches are in progress it is planned that the remaining three or 

 four instruments will be used on routine patrol under limited conditions. The aircraft shall 

 fly at constant height (900 to 1100 feet). There must be no haze or undercast. Previous 

 experience here and elsewhere shows that usable records can be obtained under these 

 conditions. 



REFERENCES 



1. TuUy, J. P. MS 1961. Assessment of temperature structure in the eastern subarctic 

 Pacific Ocean. Fish. Res. Bd. Canada, MS Rept. (Oceanog. & Limnol.) No. 103, 38 pp, 

 Pac. Oceanog. Group, Nanaimo, B.C. 



2. Tully, J. P., and L. F. Giovando. 1963. The seasonal thermocline in the eastern sub- 

 arctic Pacific Ocean. Marine Distributions. The Royal Society of Canada. Spec. Publ. 

 No. 5, Univ. Toronto Press. 



3. Tully, J. P., M. Pirart and R. K. Lane. MS 1960. Airborne radiation thermometer 

 Mark I. Feasibility tests. Fish. Res. Bd. Canada, MS Rept. (Oceanog. & Limnol.) 

 No. 61, 13 pp, Pac. Oceanog. Group, Nanaimo, B. C. 



4. Pirart, M. MS 1961. Airborne radiation thermometer (FRB-1). Fish. Res. Bd. Canada, 

 MS Rept. (Oceanog. & Limnol.) No. 102, 20 pp, Pac. Oceanog. Group, Nanaimo, B. C. 



5. Sowden, W. J. 1962. Report on the flying of an airborne radiation thermometer. 

 Circ. 3778 TEC-445, Meteorological Branch, Dept. of Transport, Toronto, Canada. 



6. Andersen, H. G. MS 1963. Some small considerations of the effect of cloud on an air- 

 borne radiation thermometer. Circular 1963-2, Fish. Res. Bd. Canada, Pac. Oceanog. 

 Group, Nanaimo, B.C. 



April 27, 1964 



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