C1 MAR67_IRS.TAB 1987OCT22EC2 Explanation of Mariner 6 & 7 IRS. All angles are in degrees. AllBC3 distances are in kilometers. Items 27-30 are added by SPECIO'sC4 CCC.C5) 30/ IFNUM = number of ancillary fieldsD 770/ Was 770--MFNUM = total # fields (record length in R*4 words) 297/ NBYTE = byte offset7 3/ KAL = calibration state (3=raw spectral response)? 'MARINER 6 & 7 IRS'/ INSTID = instrument identification string6 2/ KWAVET = spectral dispersion type (2=wavelength)' 2/ IDTYP = detector type (2=Photons)5 1./ RSCAL = radiance scaling factor--1. is default; 2/ NSEGS = # of spectral segments of uniform dispersion; 320,420/ KNSEGS() = number of spectral points per segmentE 1.59,2.7787/ WAVE1() = wave of 1st spectral point for each segmentI .005654,.0089/ WAVED() = delta wave for spectral points in each segment0 10/ KLAT = field position of central latitude1 11/ KLON = field position of central longitude/ 17/ KINC = field position of incidence angle/ 16/ KEMIS = field position of emission angle- 18/ KPHASE = field position of phase angle. 21/ KRANGE = field position of target range1 20/ KHOUR = field position of local solar time@ -1/ KBODY = field position of target body code (-1=not avail)- -1/ KQUAL = field position of quality code8 -1/ KSLEW = field position of slew (-1=not available)9 3/ KID = field position of spectral id (not available) -1/ KORBIT = orbit number> 27/ KWORD = field position of 1st of 4 spectral descriptors!C6 F# FMT BYTE NAME DESCRIPTION!C7 -- --- ---- ------ -----------= 1 R4 1 S/C_ID Spacecraft ID: 1=Mariner 6, 2=Mariner 7E 2 R4 5 CHAN_# Channel number (1 = 4-14 microns; 2 = 1.9-6 mu)@ 3 R4 9 SPEC_# Spectrum number (negative for calibration) 4 R4 13 GMT_Hr GMT hour 5 R4 17 GMT_Mn GMT minute 6 R4 21 GMT_Se GMT second7 7 R4 25 ENC_Mn Encounter relative time: minutes7 8 R4 29 ENC_Se Encounter relative time: seconds, 9 R4 33 SCT_CC Spacecraft clock countA 10 R4 37 SCI_La Latitude of slit center intercept on planetB 11 R4 41 SCI_Lo Longitude of slit center intercept on planetD 12 R4 45 SNI_La Latitude of slit north end intercept on planetE 13 R4 49 SNI_Lo Longitude of slit north end intercept on planet@ 14 R4 53 SSI_La Latitude of slit south intercept on planetA 15 R4 57 SSI_Lo Longitude of slit south intercept on planetH 16 R4 61 SCI_Em Emission angle (degrees) for slit center interceptI 17 R4 65 SCI_In Incidence angle (degrees) for slit center interceptE 18 R4 69 SCI_Ph Phase angle (degrees) for slit center interceptY 19 R4 73 SCI_An Angle (degrees) between SLI & planet center as seen from spacecraft% 20 R4 77 SCI_Ti Time past local? 21 R4 81 SCI_Sr Slant range (km) to slit center interceptH 22 R4 85 ALT_Tr Altitude of tanget ray above planetocentric sphereJ 23 R4 89 Wl/SPL Wavelength interval per spectrum point, left segmentI 24 R4 93 Wl_fpL Wavelength (microns) of first point in left segmentL 25 R4 97 Wl/SPR Wavelength interval jper spectrum point, right segmentC 26 R4 101 Wl_350 Wavelength (microns) of point 350 in spectrumH 27 R4 105 KTYPE Data type--entered by CCC--1=Rad,2=Temp,3=Rad*1.E79 28 R4 109 WN0 Initial wavelength--entered by CCC K 29 R4 113 WND Wavelength inc (delta wl/delta index)--entered by CCCM 30 R4 117 NSPEC Number of spectral fields in the record--entered by CCC