loran c (version 2) language - sps 



computer - ibm 1620 

 (copy on file at nodc) 

 computes tables giving the points of intersection of loran c hyper- 

 bolas with meridians and/or parallels of the earth spheroid. micro- 

 second values are computed at interval^ varying from 1 1/4 min. to 20 

 min. for any or all of four possible pairs of stations- program can 

 Also be used to compute microsecond values at grid intersections, sto- 

 rage lOOK. program can be modified for use on IBM1620 OF 60K CAPACITY. 



ESSA, COAST AND GEODETIC SURVEY 

 WASHINGTON SCIENCE CENTER, BLDG. 2 

 ROCKVILLE. MD. 20852 



GEODETIC POSITION COMPUTATION AND PLOT LANGUAGE - FORTRAN 



COMPUTER - IBM 7074 W/ 

 CAlCOMP 564 

 (COPY ON FILE AT NODC) 



COMPUTES GEODETIC POSITIONS AT DESIRED INTERVALS ALONG INCREMENTAL OR 

 MISCELLANEOUS AZIMUTHS. OPTION TO PLOT OR LIST. PLOT USES THE 'LAMB' 

 SUBROUTINE /ilTH TWO STANDARD PARALLELS. OS NO. 55321. AUTHOR — MERlE 

 L. NELSON. AN INFORMAL REPORT IR NO. 69-35 LISTS ADDITIONAL COMPUTER 

 PROGRAMS AND DESCRIBES PROCEDURES FOR PRODUCTION OF SECONDARY PHASE 

 CORRECTION CHARTS AND TAElES. THESE SUPPLEMENTARY PROGRAMS. WRITTEN 

 BY MR EDWIN STEPHENSON AND MISS BARBARA GRAY, ARE IN 7074 AUTOCODER OR 

 FORTRAN. INFORMATION MAY BE OBTAINED FROM DISSEMINATION CONTROL DEPT. 

 CODE 44, OR THE AUTHOR. 



NAVAL OCEANOGRAPHIC OFFICE 

 WASHINGTON, D.C. 20390 



LORAN A AND C SKYWAVE LANGUAGE - FORTRAN 



COMPUTER - IBM 7074 



COMPUTES POINTS FOR LORAN SKYWAVES WHICH ARE PRODUCED WHEN TRANSMITTED 

 RADIO SIGNALS THAT TRAVEL UPWARD AND OUTWARD ENCOUNTER THE IONOSPHERE. 

 (TWO DIFFERtNT PROGRAM DECKS USED FOR LORAN A AND C SKYWAVES) AUTHOR — 

 ROBERT VAN WIE. OS NO. 20158. 



COMPUTER DEPARTMENT, CODE 083 

 NAVAL OCEANOGRAPHIC OFFICE 

 SUITLAND, MD. 20390 



LORAN COORDINATE COMPUTATION LANGUAGE - FORTRAN 



COMPUTER - IBM 7074 

 (COPY ON FILE AT NODC) 



COMPUTES CHARTING COORDINATES ALONG LINES OF LATITUDE OR LONGITUDE FOR 

 LORAN CURVES AT SPECIFIED INTERVALS. INCLUDES SUBROUTINE BSlN, TO 

 COMPUTE COORDINATES ALONG THE BASELINE AND BASELINE EXTENSIONS. RUN- 

 NING TIME — 500-800 POINTS/MINUTE ON THE 7074. REF. IMR NO. N-l-64 

 (UNPUBLISHED MANUSCRIPT). OS NO. 20100. AUTHOR— CHARLES KIRKlAND. 



COMPUTER DEPARTMENT, CODE 0831 

 NAVAL OCEANOGRAPHIC OFFICE 

 SUITLAND, MD. 20390 



LORAN TO GEOGRAPHIC, GEOG. TO LORAN CONVERSIONS LANGUAGE - FORTRAN 



COMPUTER - IBM 7074 

 (COPY ON FILE AT NODC) 



CONVERTS LORAN TIME OR PHASE DIFFERENCES TO GEOGRAPHIC COORDINATES BY 

 NON-ITERATIVE METHOD (GEODESIC INVERSE DEVELOPED BY E.M. SODANo ) . THE 

 CONVERSIONS ARE FOR LORAN A OR LORAN C OR FOR A MIXTURE OF THE TWO. 

 REF. IMR NO. N-3-64 (UNPUBLISHED MANUSCRIPT). AUTHOR— A.C. CAMPBELL. 



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