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APPNDC_C -  Append an item to a character cell  APPNDD_C -  Append an item to a double precision cell  APPNDI_C -  Append an item to an integer cell  AXISAR_C -  Axis and angle to rotation  AZLCPO_C -  AZ/EL, constant position observer state  AZLREC_C -  AZ/EL to rectangular coordinates   
 
B1900_C -  Besselian Date 1900.0  B1950_C -  Besselian Date 1950.0  BADKPV_C -  Bad Kernel Pool Variable  BLTFRM_C -  Built-in frame IDs  BODC2N_C -  Body ID code to name translation  BODC2S_C -  Body ID code to string translation  BODDEF_C -  Body name/ID code definition  BODFND_C -  Find values from the kernel pool  BODN2C_C -  Body name to ID code translation  BODS2C_C -  Body string to ID code translation  BODVAR_C -  Return values from the kernel pool  BODVCD_C -  Return d.p. values from the kernel pool  BODVRD_C -  Return d.p. values from the kernel pool  BRCKTD_C -  Bracket a d.p. value within an interval  BRCKTI_C -  Bracket an integer value within an interval  BSCHOC_C -  Binary search with order vector, character  BSCHOI_C -  Binary search with order vector, integer  BSRCHC_C -  Binary search for a character string  BSRCHD_C -  Binary search for a double precision value  BSRCHI_C -  Binary search for an integer value   
 
CARD_C -  Cardinality of a cell  CCIFRM_C -  Class and class ID to associated frame  CGV2EL_C -  Center and generating vectors to ellipse  CHBDER_C -  Derivatives of a Chebyshev expansion  CHBIGR_C -  Chebyshev expansion integral  CHBINT_C -  Interpolate a Chebyshev expansion  CHBVAL_C -  Value of a Chebyshev polynomial expansion  CHKIN_C -  module Check In  CHKOUT_C -  Module Check Out  CIDFRM_C -  center SPK ID frame  CKCLS_C -  CK, Close file  CKCOV_C -  CK coverage  CKFROT_C -  CK frame, find position rotation  CKFXFM_C -  CK frame, find state transformation  CKGP_C -  C-kernel, get pointing  CKGPAV_C -  C-kernel, get pointing and angular velocity  CKGR02_C -  C-kernel, get record, type 02  CKGR03_C -  C-kernel, get record, type 03  CKLPF_C -  CK, load pointing file  CKMETA_C -  CK ID to associated SCLK  CKNR02_C -  C-kernel, number of records, type 02  CKNR03_C -  C-kernel, number of records, type 03  CKOBJ_C -  CK objects  CKOPN_C -  CK, open new file.  CKUPF_C -  CK, Unload pointing file  CKW01_C -  C-Kernel, write segment to C-kernel, data type 1  CKW02_C -  C-Kernel, write segment to C-kernel, data type 2  CKW03_C -  C-Kernel, write segment to C-kernel, data type 3  CKW05_C -  Write CK segment, type 5  CLEARC_C -  Clear a two-dimensional character array  CLEARD_C -  Clear a double precision array  CLEARI_C -  Clear an integer array  CLIGHT_C -  C, Speed of light in a vacuum  CLPOOL_C -  Clear the pool of kernel variables  CMPRSS_C -  Compress a character string  CNMFRM_C -  Center name to associated frame  CONICS_C -  Determine state from conic elements  CONVRT_C -  Convert Units  COPY_C -  Copy a SPICE cell  CPOS_C -  Character position  CPOSR_C -  Character position, reverse  CVPOOL_C -  Check variable in the pool for update CYLLAT_C -  Cylindrical to latitudinal  CYLREC_C -  Cylindrical to rectangular  CYLSPH_C -  Cylindrical to spherical   
 
DAFAC_C -  DAF add comments  DAFBBS_C -  DAF, begin backward search  DAFBFS_C -  DAF, begin forward search  DAFCLS_C -  DAF, close  DAFCS_C -  DAF, continue search  DAFDC_C -  DAF delete comments  DAFEC_C -  DAF extract comments  DAFFNA_C -  DAF, find next array  DAFFPA_C -  DAF, find previous array  DAFGDA_C -  DAF, read data from address  DAFGH_C -  DAF, get handle  DAFGN_C -  DAF, get array name  DAFGS_C -  DAF, get summary  DAFGSR_C -  DAF, get summary/descriptor record  DAFHSF_C -  DAF, handle to summary format  DAFOPR_C -  DAF, open for read  DAFOPW_C -  DAF, open for write  DAFPS_C -  DAF, pack summary  DAFRDA_C -  DAF, read data from address  DAFRFR_C -  DAF, read file record  DAFRS_C -  DAF, replace summary  DAFUS_C -  DAF, unpack summary  DASAC_C -  DAS add comments  DASADC_C -  DAS, add data, character  DASADD_C -  DAS, add data, double precision  DASADI_C -  DAS, add data, integer  DASCLS_C -  DAS, close file  DASDC_C -  DAS, delete comments  DASEC_C -  DAS extract comments  DASHFN_C -  DAS, handle to file name  DASHFS_C -  DAS, handle to file summary  DASLLA_C -  DAS, last logical addresses  DASLLC_C -  DAS, low-level close  DASONW_C -  DAS, open new file  DASOPR_C -  DAS, open for read  DASOPS_C -  DAS, open scratch  DASOPW_C -  DAS, open for write  DASRDC_C -  DAS, read data, character  DASRDD_C -  DAS, read data, double precision  DASRDI_C -  DAS, read data, integer  DASRFR_C -  DAS, read file record  DASUDC_C -  DAS, update data, character  DASUDD_C -  DAS, update data, double precision  DASUDI_C -  DAS, update data, integer  DASWBR_C -  DAS, write buffered records  DAZLDR_C -  Derivative of AZ/EL w.r.t. rectangular  DCYLDR_C - Derivative of cylindrical w.r.t. rectangular  DELTET_C -  Delta ET, ET - UTC  DET_C -  Determinant of a double precision 3x3 matrix  DGEODR_C -  Derivative of geodetic w.r.t. rectangular  DIAGS2_C -  Diagonalize symmetric 2x2 matrix  DIFF_C -  Difference of two sets  DLABBS_C -  DLA, begin backward search  DLABFS_C -  DLA, begin forward search  DLABNS_C -  DLA, begin new segment  DLAENS_C -  DLA, end new segment  DLAFNS_C -  DLA, find next segment  DLAFPS_C -  DLA, find previous segment  DLAOPN_C -  DLA, open new file  DLATDR_C -  Derivative of latitudinal w.r.t. rectangular  DNEARP_C -  Derivative of near point  DP2HX_C -  D.p. number to hexadecimal string  DPGRDR_C -  Derivative of planetographic w.r.t. rectangular  DPMAX_C -  Largest DP number  DPMIN_C -  Smallest DP number  DPR_C -  Degrees per radian  DRDAZL_C -  Derivative of rectangular w.r.t. AZ/EL  DRDCYL_C - Derivative of rectangular w.r.t. cylindrical DRDGEO_C -  Derivative of rectangular w.r.t. geodetic  DRDLAT_C -  Derivative of rectangular w.r.t. latitudinal  DRDPGR_C -  Derivative of rectangular w.r.t. planetographic  DRDSPH_C -  Derivative of rectangular w.r.t. spherical  DSKB02_C -  DSK, fetch type 2 bookkeeping data  DSKCLS_C -  DSK, close file  DSKD02_C -  DSK, fetch d.p. type 2 data  DSKGD_C -  DSK, return DSK segment descriptor   DSKGTL_C -  DSK, get tolerance  DSKI02_C -  DSK, fetch integer type 2 data  DSKMI2_C -  DSK, make spatial index for type 2 segment  DSKN02_C -  DSK, type 2, compute normal vector for plate  DSKOBJ_C -  DSK, get object IDs  DSKOPN_C -  DSK, open new file  DSKP02_C -  DSK, fetch type 2 plate data  DSKRB2_C -  DSK, determine range bounds for plate set  DSKSRF_C -  DSK, get surface IDs for body  DSKSTL_C -  DSK, set tolerance  DSKV02_C -  DSK, fetch type 2 vertex data  DSKW02_C -  DSK, write type 2 segment  DSKX02_C -  DSK, ray-surface intercept, type 2  DSKXSI_C - DSK, ray-surface intercept with source information DSKXV_C -  DSK, ray-surface intercept, vectorized  DSKZ02_C -  DSK, fetch type 2 model size parameters  DSPHDR_C -  Derivative of spherical w.r.t. rectangular  DTPOOL_C - Data for a kernel pool variable DUCRSS_C -  Unit Normalized Cross Product and Derivative  DVCRSS_C -  Derivative of Vector cross product  DVDOT_C -  Derivative of Vector Dot Product, 3-D  DVHAT_C -  Derivative and unit vector "V-hat" of a state DVNORM_C -  Derivative of vector norm  DVPOOL_C -  Delete a variable from the kernel pool  DVSEP_C -  Time derivative of separation angle   
 
EDLIMB_C -  Ellipsoid Limb  EDNMPT_C -  Ellipsoid normal vector to surface point  EDPNT_C -  Ellipsoid point   EDTERM_C -  Ellipsoid terminator  EKACEC_C -  EK, add character data to column  EKACED_C -  EK, add d.p. data to column  EKACEI_C -  EK, add integer data to column  EKACLC_C -  EK, add character column to segment  EKACLD_C -  EK, add double precision column to segment  EKACLI_C -  EK, add integer column to segment  EKAPPR_C -  EK, append record onto segment  EKBSEG_C -  EK, start new segment  EKCCNT_C -  EK, column count  EKCII_C -  EK, column info by index  EKCLS_C -  EK, close file  EKDELR_C -  EK, delete record from segment  EKFFLD_C -  EK, finish fast write  EKFIND_C -  EK, find data  EKGC_C -  EK, get event data, character  EKGD_C -  EK, get event data, double precision  EKGI_C -  EK, get event data, integer  EKIFLD_C -  EK, initialize segment for fast write  EKINSR_C -  EK, insert record into segment  EKLEF_C -  EK, load event file  EKNELT_C -  EK, get number of elements in column entry  EKNSEG_C -  EK, number of segments in file  EKNTAB_C -  EK, return number of loaded tables  EKOPN_C -  EK, open new file  EKOPR_C -  EK, open file for reading  EKOPS_C -  EK, open scratch file  EKOPW_C -  EK, open file for writing  EKPSEL_C -  EK, parse SELECT clause  EKRCEC_C -  EK, read column entry element, character  EKRCED_C -  EK, read column entry element, d.p.  EKRCEI_C -  EK, read column entry element, integer  EKSSUM_C -  EK, return segment summary  EKTNAM_C -  EK, return name of loaded table  EKUCEC_C -  EK, update character column entry  EKUCED_C -  EK, update d.p. column entry  EKUCEI_C -  EK, update integer column entry  EKUEF_C -  EK, unload event file  EL2CGV_C -  Ellipse to center and generating vectors  ELEMC_C -  Element of a character set  ELEMD_C -  Element of a double precision set  ELEMI_C -  Element of an integer set  EQNCPV_C - Equinoctial Elements to position and velocity EQSTR_C -  Equivalent strings  ERRACT_C -  Get/Set Default Error Action  ERRCH_C -  Insert String into Error Message Text  ERRDEV_C -  Get/Set Error Output Device Name  ERRDP_C -  Insert D.P. Number into Error Message Text  ERRINT_C -  Insert Integer into Error Message Text  ERRPRT_C -  Get/Set Error Output Items  ESRCHC_C -  Equivalence search, character  ET2LST_C -  ET to Local Solar Time  ET2UTC_C -  Ephemeris Time to UTC  ETCAL_C -  Convert ET to Calendar format  EUL2M_C -  Euler angles to matrix  EUL2XF_C -  Euler angles and derivative to transformation  EVSGP4_C -  Evaluate "two-line" element data  EXISTS_C -  Does the file exist?  EXPOOL_C -  Confirm the existence of a pooled kernel variable   
 
 
GCPOOL_C - Get character data from the kernel pool GDPOOL_C - Get d.p. values from the kernel pool GEOREC_C -  Geodetic to rectangular coordinates  GETCML_C -  Get the command line  GETELM_C -  Get the components from two-line elements  GETFAT_C -  Get file architecture and type  GETFOV_C -  Get instrument FOV parameters  GETFVN_C - Get instrument FOV parameters, by instrument name GETMSG_C -  Get Error Message  GFBAIL_C -  GF, interrupt signal indicator  GFCLRH_C -  GF, clear interrupt signal handler status  GFDIST_C -  GF, distance search  GFEVNT_C - GF, geometric event finder  GFFOVE_C -  GF, is target in FOV?  GFILUM_C -  GF, illumination angle search  GFINTH_C -  GF, interrupt signal handler  GFOCCE_C -  GF, occultation event  GFOCLT_C -  GF, find occultation  GFPA_C -  GF, phase angle search  GFPOSC_C - GF, observer-target vector coordinate search GFREFN_C -  GF, default refinement estimator  GFREPF_C -  GF, progress report finalization  GFREPI_C -  GF, progress report initialization  GFREPU_C -  GF, progress report update  GFRFOV_C -  GF, is ray in FOV?  GFRR_C - GF, range rate search  GFSEP_C - GF, angular separation search GFSNTC_C - GF, surface intercept vector coordinate search GFSSTP_C -  Geometry finder set step size  GFSTEP_C -  Geometry finder step size  GFSTOL_C -  GF, set a tolerance value for GF  GFSUBC_C - GF, subpoint vector coordinate search GFTFOV_C -  GF, is target in FOV?  GFUDB_C -  GF, user defined boolean  GFUDS_C -  GF, user defined scalar  GIPOOL_C - Get integers from the kernel pool GNPOOL_C - Get names of kernel pool variables  
 
HALFPI_C -  Half the value of pi  HRMESP_C -  Hermite polynomial interpolation, equal spacing  HRMINT_C -  Hermite polynomial interpolation   HX2DP_C -  Hexadecimal string to d.p. number   
 
IDENT_C -  Return the 3x3 identity matrix  ILLUM_C -  Illumination angles  ILLUM_PL02 - illumination angles using DSK type 2 plate model ILLUM_PLID_PL02 - illumination angles using type 2 DSK ILLUMF_C -  Illumination angles, general source, return flags  ILLUMG_C -  Illumination angles, general source  ILUMIN_C -  Illumination angles  INEDPL_C -  Intersection of ellipsoid and plane  INELPL_C -  Intersection of ellipse and plane  INRYPL_C -  Intersection of ray and plane  INSRTC_C -  Insert an item into a character set  INSRTD_C -  Insert an item into a double precision set  INSRTI_C -  Insert an item into an integer set  INTER_C -  Intersection of two sets  INTMAX_C -  Largest integer number  INTMIN_C -  Smallest integer number  INVERT_C -  Invert a 3x3 matrix  INVORT_C -  Invert nearly orthogonal matrices  INVSTM_C -  Inverse of state transformation matrix  ISORDV_C -  Is array an order vector?  ISRCHC_C -  Search in a character array  ISRCHD_C -  Search in a double precision array  ISRCHI_C -  Search in an integer array  ISROT_C -  Indicate whether a matrix is a rotation matrix  ISWHSP_C -  Determine whether a string is white space   
 
J1900_C -  Julian Date of 1900.0 JAN 0.5  J1950_C -  Julian Date of 1950.0 JAN 1.0  J2000_C -  Julian Date of 2000 JAN 1.5  J2100_C -  Julian Date of 2100 JAN 1.5  JYEAR_C -  Seconds per julian year   
 
 
LASTNB_C -  Last non-blank character  LATCYL_C -  Latitudinal to cylindrical coordinates  LATREC_C -  Latitudinal to rectangular coordinates  LATSPH_C -  Latitudinal to spherical coordinates  LATSRF_C -  Latitudinal grid to surface points  LCASE_C -  Convert to lowercase  LDPOOL_C -  Load variables from a kernel file into the pool  LGRESP_C -  Lagrange interpolation on equally spaced points  LGRIND_C - Lagrange polynomial interpolation with derivative LGRINT_C -  Lagrange polynomial interpolation  LIMB_PL02 -  Limb using DSK type 2 plate model  LIMBPT_C -  Limb points on an extended object  LLGRID_PL02 -  Lon/lat grid using DSK type 2 plate model  LMPOOL_C -  Load variables from memory into the pool  LPARSE_C -  Parse items from a list  LPARSM_C - Parse a list of items having multiple delimiters LPARSS_C - Parse a list of items; return a set LSPCN_C -  Longitude of the sun, planetocentric  LSTLEC_C -  Last character element less than or equal to.  LSTLED_C -  Last double precision element less than or equal LSTLEI_C -  Last integer element less than or equal to  LSTLTC_C -  Last character element less than  LSTLTD_C -  Last double precision element less than  LSTLTI_C -  Last integer element less than  LTIME_C -  Light Time  LX4DEC_C - Scan for decimal number LX4NUM_C - Scan for number LX4SGN_C - Scan for signed integer LX4UNS_C - Scan for unsigned integer LXQSTR_C -  Lex quoted string   
 
M2EUL_C -  Matrix to Euler angles  M2Q_C -  Matrix to quaternion  MATCHI_C -  Match string against wildcard template  MATCHW_C -  Match string against wildcard template  MAXD_C -  Maximum of a set of double precision values  MAXI_C -  Maximum of a set of integers  MEQU_C -  Matrix equal to another, 3x3  MEQUG_C -  Matrix equal to another, general dimension  MIND_C -  Minimum of a set of double precision values  MINI_C -  minimum of a set of integers  MOVED_C -  Move a double precision array to another  MTXM_C -  Matrix transpose times matrix, 3x3  MTXMG_C -  Matrix transpose times matrix, general dimension  MTXV_C -  Matrix transpose times vector, 3x3  MTXVG_C -  Matrix transpose times vector, general dimension  MXM_C -  Matrix times matrix, 3x3  MXMG_C -  Matrix times matrix, general dimension  MXMT_C -  Matrix times matrix transpose, 3x3  MXMTG_C -  Matrix times matrix transpose, general dimension  MXV_C -  Matrix times vector, 3x3  MXVG_C -  Matrix times vector, general dimension   
 
NAMFRM_C - Name to frame NCPOS_C -  NOT Character position  NCPOSR_C -  Character position, reverse  NEARPT_C -  Nearest point on an ellipsoid  NEXTWD_C -  Next word in a character string  NPEDLN_C -  Nearest point on ellipsoid to line  NPELPT_C -  Nearest point on ellipse to point  NPLNPT_C -  Nearest point on line to point  NTHWD_C -  n'th word in a character string  NVC2PL_C -  Normal vector and constant to plane  NVP2PL_C -  Normal vector and point to plane   
 
OCCULT_C -  find occultation type at time  ORDC_C -  The ordinal position of an element in a set  ORDD_C -  The ordinal position of an element in a set  ORDERC_C -  Order of a character array  ORDERD_C -  Order of a double precision array  ORDERI_C -  Order of an integer array  ORDI_C -  The ordinal position of an element in a set  OSCELT_C -  Determine conic elements from state  OSCLTX_C -  Extended osculating elements from state   
 
PCKCLS_C -  PCK, close file  PCKCOV_C -  PCK coverage  PCKFRM_C -  PCK, get reference frame class ID set  PCKLOF_C -  PCK, load binary file  PCKOPN_C -  PCK, open new file  PCKUOF_C -  PCK, unload binary file  PCKW02_C -  PCK, write type 2 segment  PCPOOL_C -  Put character strings into the kernel pool  PDPOOL_C -  Put d.p.'s into the kernel pool  PGRREC_C -  Planetographic to rectangular  PHASEQ_C -  Phase angle quantity between bodies centers  PI_C -  Value of pi  PIPOOL_C -  Put integers into the kernel pool  PJELPL_C -  Project ellipse onto plane  PL2NVC_C -  Plane to normal vector and constant  PL2NVP_C -  Plane to normal vector and point  PL2PSV_C -  Plane to point and spanning vectors  PLTAR_C -  Compute area of plate set  PLTEXP_C -  Plate expander  PLTNP_C -  Nearest point on triangular plate  PLTNRM_C -  DSK, compute outward normal of plate  PLTVOL_C -  Compute volume of plate model  POLYDS_C -  Compute a Polynomial and its Derivatives  POS_C -  Position of substring  POSR_C -  Position of substring, reverse search  PROMPT_C -  Prompt a user for a string  PROP2B_C -  Propagate a two-body solution  PRSDP_C -  Parse d.p. number with error checking  PRSINT_C -  Parse integer with error checking  PSV2PL_C -  Point and spanning vectors to plane  PUTCML_C -  Get the command line  PXFORM_C -  Position Transformation Matrix  PXFRM2_C -  Position Transform Matrix, Different Epochs   
 
Q2M_C -  Quaternion to matrix  QCKTRC_C -  Get Quick Traceback  QDERIV_C -  Quadratic derivative  QDQ2AV_C - Quaternion and quaternion derivative to a.v. QXQ_C -  Quaternion times quaternion   
 
RADREC_C -  Range, RA and DEC to rectangular coordinates  RAV2XF_C -  Rotation and angular velocity to transform  RAXISA_C -  Rotation axis of a matrix  RDTEXT_C -  Read a line from a text file  RECAZL_C -  Rectangular coordinates to AZ/EL  RECCYL_C -  Rectangular to cylindrical coordinates  RECGEO_C -  Rectangular to geodetic  RECLAT_C -  Rectangular to latitudinal coordinates  RECPGR_C -  Rectangular to planetographic  RECRAD_C -  Rectangular coordinates to RA and DEC  RECSPH_C -  Rectangular to spherical coordinates  REMOVC_C -  Remove an item from a character set  REMOVD_C -  Remove an item from a double precision set  REMOVI_C -  Remove an item from an integer set  REORDC_C -  Reorder a character array  REORDD_C -  Reorder a double precision array  REORDI_C -  Reorder an integer array  REORDL_C -  Reorder a logical array  REPMC_C -  Replace marker with character string  REPMCT_C -  Replace marker with cardinal text  REPMD_C -  Replace marker with double precision number  REPMF_C -  Replace marker with formatted d.p. value  REPMI_C -  Replace marker with integer  REPML_C -  Replace marker with logical value text  REPMOT_C -  Replace marker with ordinal text  RESET_C -  Reset Error Status  RETURN_C -  Immediate Return Indicator  ROTATE_C -  Generate a rotation matrix  ROTMAT_C -  Rotate a matrix  ROTVEC_C -  Transform a vector via a rotation  RPD_C -  Radians per degree  RQUAD_C -  Roots of a quadratic equation   
 
SAELGV_C -  Semi-axes of ellipse from generating vectors  SCARD_C -  Set the cardinality of a cell  SCDECD_C -  Decode spacecraft clock  SCE2C_C -  ET to continuous SCLK ticks  SCE2S_C -  ET to SCLK string  SCE2T_C -  ET to SCLK ticks  SCENCD_C -  Encode spacecraft clock  SCFMT_C -  Convert SCLK "ticks" to character clock format  SCPART_C -  Spacecraft Clock Partition Information  SCS2E_C -  SCLK string to ET  SCT2E_C -  SCLK ticks to ET  SCTIKS_C -  Convert spacecraft clock string to ticks.  SDIFF_C -  Symmetric difference of two sets  SET_C -  Compare sets  SETMSG_C -  Set Long Error Message  SHELLC_C -  Shell sort a character array  SHELLD_C -  Shell sort a double precision array  SHELLI_C -  Shell sort an integer array  SIGERR_C -  Signal Error Condition  SINCPT_C -  Surface intercept  SIZE_C -  Size of a cell  SPD_C -  Seconds per day  SPHCYL_C -  Spherical to cylindrical coordinates  SPHLAT_C -  Spherical to latitudinal coordinates  SPHREC_C -  Spherical to rectangular coordinates  SPK14A_C -  SPK, add data to a type 14 segment  SPK14B_C -  SPK, begin a type 14 segment  SPK14E_C -  SPK, end a type 14 segment  SPKACS_C -  SPK, aberration corrected state  SPKAPO_C -  S/P Kernel, apparent position only  SPKAPP_C -  S/P Kernel, apparent state  SPKAPS_C -  SPK, apparent state  SPKCLS_C -  SPK, Close file  SPKCOV_C -  SPK coverage  SPKCPO_C -  SPK, constant position observer state  SPKCPT_C -  SPK, constant position target state  SPKCVO_C -  SPK, constant velocity observer state  SPKCVT_C -  SPK, constant velocity target state  SPKEZ_C -  S/P Kernel, easy reader  SPKEZP_C -  S/P Kernel, easy position  SPKEZR_C -  S/P Kernel, easier reader  SPKGEO_C -  S/P Kernel, geometric state  SPKGPS_C -  S/P Kernel, geometric position  SPKLEF_C -   S/P Kernel, Load ephemeris file  SPKLTC_C -  S/P Kernel, light time corrected state  SPKOBJ_C -  SPK objects  SPKOPA_C -  SPK open for addition  SPKOPN_C -  SPK, open new file.  SPKPDS_C -  SPK pack descriptor  SPKPOS_C -  S/P Kernel, position  SPKPVN_C -  S/P Kernel, position and velocity in native frame  SPKSFS_C -  S/P Kernel, Select file and segment  SPKSSB_C -  S/P Kernel, solar system barycenter  SPKSUB_C -  S/P Kernel, subset  SPKUDS_C -  SPK - unpack segment descriptor  SPKUEF_C -  SPK Kernel, Unload ephemeris file  SPKW02_C -  Write SPK segment, type 2  SPKW03_C -  Write SPK segment, type 3  SPKW05_C -  Write SPK segment, type 5  SPKW08_C -  Write SPK segment, type 8  SPKW09_C -  Write SPK segment, type 9  SPKW10_C - SPK - write a type 10 segment  SPKW12_C -  Write SPK segment, type 12  SPKW13_C -  Write SPK segment, type 13  SPKW15_C -  SPK, write a type 15 segment  SPKW17_C -  SPK, write a type 17 segment  SPKW18_C -  Write SPK segment, type 18  SPKW20_C -  Write SPK segment, type 20  SRFC2S_C -  Surface and body ID codes to surface string  SRFCSS_C -  Surface ID and body string to surface string  SRFNRM_C -  Map surface points to outward normal vectors  SRFREC_C -  Surface to rectangular coordinates  SRFS2C_C -  Surface and body strings to surface ID code  SRFSCC_C - Surface string and body ID code to surface ID code SRFXPT_C -  Surface intercept point  SSIZE_C -  Set the size of a cell  STELAB_C -  Stellar Aberration  STLABX_C -  Stellar aberration, transmission case  STPOOL_C -  String from pool  STR2ET_C -  String to ET  SUBPNT_C -  Sub-observer point  SUBPT_C -  Sub-observer point  SUBPT_PL02 -  Sub-observer point using DSK type 2 plate model  SUBSLR_C -  Sub-solar point  SUBSOL_C -  Sub-solar point  SUBSOL_PL02 -  Sub-solar point using DSK type 2 plate model  SUMAD_C -  Sum of a double precision array  SUMAI_C -  Sum of an integer array  SURFNM_C -  Surface normal vector on an ellipsoid  SURFPT_C -  Surface point on an ellipsoid  SURFPV_C -  Surface point and velocity  SWPOOL_C -  Set watch on a pool variable  SXFORM_C -  State Transformation Matrix  SZPOOL_C - Get size limitations of the kernel pool  
 
TANGPT_C -  Ray-ellipsoid tangent point  TERM_PL02 -  Terminator using DSK type 2 plate model  TERMPT_C -  Terminator points on an extended object  TIMDEF_C -  Time Software Defaults  TIMOUT_C -  Time Output  TIPBOD_C -  Transformation, inertial position to bodyfixed  TISBOD_C -  Transformation, inertial state to bodyfixed  TKFRAM_C -  TK frame, find position rotation  TKVRSN_C -  Toolkit version strings  TPARCH_C -  Parse check---check format of strings  TPARSE_C -  Parse a UTC time string  TPICTR_C -  Create a Time Format Picture  TRACE_C -  Trace of a 3x3 matrix  TRCDEP_C -  Traceback depth  TRCNAM_C -  Get module name from traceback  TRCOFF_C -  Turn tracing off  TRGSEP_C -  Separation quantity from observer  TSETYR_C -  Time --- set year expansion boundaries  TWOPI_C -  Twice the value of pi  TWOVEC_C -  Two vectors defining an orthonormal frame  TWOVXF_C -  Two states defining a frame transformation  TYEAR_C -  Seconds per tropical year   
 
UCASE_C -  Convert to uppercase  UCRSS_C -  Unitized cross product, 3x3  UDDC_C -  Derivative of function less than zero, df(x)/dx < 0  UDDF_C -  First derivative of a function, df(x)/dx  UDF_C -  GF, dummy function  UNION_C -  Union of two sets  UNITIM_C -  Uniform time scale transformation  UNLOAD_C -  Unload a kernel  UNORM_C -  Unit vector and norm, 3 dimensional  UNORMG_C -  Unit vector and norm, general dimension  UTC2ET_C -  UTC to Ephemeris Time   
 
VADD_C -  Vector addition, 3 dimensional  VADDG_C -  Vector addition, general dimension  VALID_C -  Validate a set  VCRSS_C -  Vector cross product, 3 dimensions  VDIST_C -  Vector distance  VDISTG_C -  Vector distance, general dimension  VDOT_C -  Vector dot product, 3 dimensions  VDOTG_C -  Vector dot product, general dimension  VEQU_C -  Vector equality, 3 dimensions  VEQUG_C -  Vector equality, general dimension  VHAT_C -  "V-Hat", unit vector along V, 3 dimensions  VHATG_C -  "V-Hat", unit vector along V, general dimension  VLCOM3_C -  Vector linear combination, 3 dimensions  VLCOM_C -  Vector linear combination, 3 dimensions  VLCOMG_C -  Vector linear combination, general dimension  VMINUG_C -  Negate vector, "-v", general dimension  VMINUS_C -  Negate vector, "-v", 3 dimensions  VNORM_C -  Vector norm, 3 dimensions  VNORMG_C -  Vector norm, general dimension  VPACK_C -  Pack three scalar components into a vector  VPERP_C -  Perpendicular component of a 3-vector  VPRJP_C -  Vector projection onto plane  VPRJPI_C -  Vector projection onto plane, inverted  VPROJ_C -  Vector projection, 3 dimensions  VPROJG_C -  Vector projection, general dimension  VREL_C -  Vector relative difference, 3 dimensions  VRELG_C -  Vector relative difference, general dimension  VROTV_C -  Vector rotation about an axis  VSCL_C -  Vector scaling, 3 dimensions  VSCLG_C -  Vector scaling, general dimension  VSEP_C -  Angular separation of vectors, 3 dimensions  VSEPG_C -  Angular separation of vectors, general dimension  VSUB_C -  Vector subtraction, 3 dimensions  VSUBG_C -  Vector subtraction, general dimension  VTMV_C -  Vector transpose times matrix times vector, 3 dim  VTMVG_C -  Vector transpose times matrix times vector  VUPACK_C -  Unpack three scalar components from a vector  VZERO_C -  Is a vector the zero vector?  VZEROG_C -  Is a vector the zero vector? -- general dim.   
 
WNCARD_C -  Cardinality of a double precision window  WNCOMD_C -  Complement a DP window  WNCOND_C -  Contract the intervals of a DP window  WNDIFD_C -  Difference two DP windows  WNELMD_C -  Element of a DP window  WNEXPD_C -  Expand the intervals of a DP window  WNEXTD_C -  Extract the endpoints from a DP window  WNFETD_C -  Fetch an interval from a DP window  WNFILD_C -  Fill small gaps in a DP window  WNFLTD_C -  Filter small intervals from a DP window  WNINCD_C -  Included in a double precision window  WNINSD_C -  Insert an interval into a DP window  WNINTD_C -  Intersect two DP windows  WNRELD_C -  Compare two DP windows  WNSUMD_C -  Summary of a double precision window  WNUNID_C -  Union two DP windows  WNVALD_C -  Validate a DP window   
 
XF2EUL_C -  State transformation to Euler angles  XF2RAV_C -  Transform to rotation and angular velocity XFMSTA_C -  Transform state between coordinate systems  XPOSE6_C -  Transpose a matrix, 6x6  XPOSE_C -  Transpose a matrix, 3x3  XPOSEG_C -  Transpose a matrix, general   |