INTERPOLATION AT STANDARD DEPTHS OF TEMPERATURE AND SALINITY, SIGMA-T 

 AND THE DYNAMICS COMPUTATIONS. 



SCRIPPS INSTITUTION OF OCEANOGRAPHY 

 LA JOLLA, CALIFORNIA 92037 



RADIATION ATTENUATION LANGUAGE - (NOT GIVEN) 



COMPUTER - CDC 1604 



COMPUTATION OF THE ATTENUATION COEFFICIENTS FROM SUBMARINE IRRADIANCE 

 MEASUREMENTS. 



SCRIPPS INSTITUTION OF OCEANOGRAPHY 

 LA JOLLA. CALIFORNIA 92037 



SOUND - RAY PATH »-•»■-* 



ACOUSTIC RAY TRACING LANGUAGE - FORTRAN II 



COMPUTER - IBM 7090 

 (COPY ON FILE AT NODC) 



CALCULATES UNDERWATER SOUND PROPAGATION. PROGRAM REQUIRES INPUT WHICH 

 DESCRIBES THE SOURCE, THE FIELD, THE SURFACE AND THE BOTTOM. OUTPUT 

 IS A REPORT ON MAGNETIC TAPE WHICH GIVES RAY PATH, SLOPE, CURVATURE, 

 AND LENGTH. ALSO GIVEN ARE REFLECTION AND EXTREMA STATISTICS' TRAVEL 

 TIME. WAVE FRONT CURVATURE, AND INTENSITY. PROGRAM AND DOCUMENTATION 

 PUBLISHED IN ARTHUR D. LITTlE, INC. TECHNICAL REPORT NO. 1^70764. THE 

 A.D. NO. IS AD 605 328. ALSO AVAILABLE FROM THE DEFENSE DOCUMENTATION 

 CENTER. 



MISS MARIAN L. HOBBS, LIBRARIAN 

 TRIDENT/ASW LIBRARY 

 ARTHUR D. LITTLE, INC. 

 35 ACORN PARK 

 CAMBRIDGE, MASS. 02140 



TRLOSS LANGUAGE - FORTRAN 



COMPUTER - CDC 6600 



COMPUTES LONG-RANGE TRANSMISSION LOSS By PROBABILISTIC METHODS, USING 

 A STATISTICAL APPROXIMATION TO RAY-TRACING. INPUT — PUNCHED CARDS 

 CONTAINING VELOCITY PROFILES, BOTTOM, TOPOGRAPHY (ROUGH) AND TARGET 

 RANGES. OUTPUT — LISTS OF INTENSITIES (RELATIVE TO SOURCE INTENSITY) 

 AS FUNCTIONS OF DEPTH AT EACH OF THE TARGET RANGES. CORE STORAGE NEC- 

 ESSARY — 30(8)K WORDS. AUTHOR — MISS EllEN WIllIAMS. 



MARIAN L. HOBBS, LIBRARIAN 

 ARTHUR D. LITTLE, INC 

 ACORN PARK 

 CAMBRIDGE, MASS. 02140 



SONAR IN REFRACTIVE WATER LANGUAGE - FORTRAN IV 



COMPUTER - UNIVAC 1108 

 (COPY ON FILE AT NODC) 



TRACES SOUND RAYS, COMPUTES REVERBERATION, COMPUTES ACQUISITION LAMIN- 

 AE (VERTICAL PLANE), IN A LINEAR-GRADIENT OR CONTINUOUS-GRADIENT MEDI- 

 UM. CORE STORAGE USED — APPROX. 30,000 WORDS. SUPERSEDES AlL PREVI- 

 OUS VERSIONS OF THE PROGRAM. DOCUMENTED AS NUC TECHNICAL PUBLICATION 

 NO. 164 (VOL.1, 196 P AND VOL.2, 356 P) -DIGITAL COMPUTER PROGRAMS FOR 

 ANALYZING ACOUSTIC SEARCH PERFORMANCE IN REFRACTIVE WATERS', NuC PRO- , 

 GRAMS 8000C0 AND 800001, BY PHILIP MARSH AND A.B. POYNTER, ORDNANCE 

 SYSTEMS DEPARTMENT, DECEMBER 1969. (DOCUMENTS UNCLASSIFIED BUT TRANS- 

 PAGE 094 



