ILAS Standard Products Definition

LevelContentsFormatUnitFile SizeComments
1Calibrated data, annotated with satellite position.HDF1 occultation event9.8MB
2O3 profile, HNO3 profile, NO2 profile, N2O profile, H2O profile, CH4 profile, Aerosol profile, Temperature profile, Pressure profile, etc.HDF1 parameter5.2KB1 file per 1 parameter.
max. 9 files per 1 occultation event.

ILAS Standard Products Delivery Plan (From EA to EOC)

SourceNational Institute for Environmental Studies (NIES)
Delivery StartUnverified data: L+3M
Verified data: L+21M
Confirmed data: L+21M
(confirmed data is the verified data which is confirmed by 1 year trend evaluation)
Delivery Frequencyonce a week
Media8 mm tape (1 tape per week)
Recording Formattar
Delivery Delay3 weeks
= 11 days (Level 0 data delivery) +1 week (delivery frequency) +1 day (delivery from NIES to EOC)
Algorithm Version-up & ReprocessingVersion-up: about twice a year
Reprocessing: done for major algorithm change
Cal/Val Plan1997: Kiruna (EA and CNES cooperation)
1997: Fairbanks (EA and NASDA)
1996-: Syowa Station (EA) and Other sites
CommentsThe product will be delivered to EOC again when the verification flag is changed. EA will also provide PIs with product generated using old algorithm and distribute catalogs for all verification stage products including products generated by old algorithm.
EOC will not distribute catalog for unverified products.

Reference:

  1. Technical Coordination Letter No.6EOC-244, NIES, Feb.2, 1995.
  2. A/I 17-3 Verification Stage Flag, NIES-019A, NIES, Oct.31, 1995.
  3. A/I 17-1 Processing Algorithm Version-Up Plan, NIES-020A, NIES, Oct.31, 1995.
  4. ADEOS/ILAS Standard Product Format Specification, Draft Version 0.1, FPRO-0040, Fujitsu FIP, Dec.
  5. Review results of the ADEOS Sensor Products Delivery Plan Version 1.0 (Revision A), NIES-027, NIES, Mar.19, 1996.
Doc No: NCX-000111
ADEOS Sensor Product Delivery Plan
Version : 2.0 		Revision :
Date : May 1996
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