NOAA KLM User's Guide

Appendix O

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APPENDIX O: Procedure for Scheduling AVHRR LAC Data

This appendix contains procedures that a user would have to follow to schedule AVHRR LAC data from NOAA/NESDIS/SOCC. Users may request scheduling of Local Area Coverage (LAC) data which are recorded outside the direct readout range of Wallops Island, Virginia or Fairbanks, Alaska. Because recorder space and transmission time must be shared by many requestors, requests must be received at least one month prior to the data acquisition period. Requests will beconsidered on a first-come, first-served basis, and according to the following priority considerations:

1. National emergencies, as specified in the various national emergency plans

2. Situations where human life is in immediate danger (i.e., search and rescue operations)

3. U.S. strategic requirements

4. Commercial requirements

5. Scientific investigations and studies

6. Other miscellaneous activities

Requests must also be accompanied by the following:

a. Brief description of application

b. Geographical area (i.e., East Greenland, Korea Straits, etc.)

c. Latitude and longitude coordinates bounding the area of interest

d. Desired frequency of coverage (i.e., once weekly, etc.)

e. Spectral channels required for image processing - Channel 1, 2 or 3A = visible; Channel 3B, 4, or 5 = infrared. Include range of expected brightness values or temperatures for image enhancement purposes.

f. Type of data - digital data available on magnetic media, and/or analog data, available as photographic prints.

g. Beginning and ending dates of the study period.

h. Satellite preference: Morning NOAA polar orbiter - daylight descending, nighttime ascending with a descending local crossing time of 0730. Afternoon NOAA polar orbiter - daylight ascending, nighttime descending with an ascending local crossing time of 1400. (Note: NOAA-M will have a local crossing time of 1000.)

i. Name, address, telephone number and email address of requestor.

Failure to provide this information at the time of the request may cause a delay in scheduling of the LAC data. Requests for AVHRR LAC data may be emailed (preferred) or if phoned in, must be followed by written documentation. Submit requests to:

Mr.Tom Snell
NOAA/NESDIS/SOCC
Federal Office Building #4, Room 0165
Suitland, MD 20746-1701
Phone #: 301-817-4152
Fax #: 301-457-5175
Email: tom.snell@noaa.gov

Every effort is made to accommodate each request, for example, by combining requests of overlapping areas. However, because the number of requests for LAC coverage always surpasses scheduling and spacecraft resources, NESDIS does not guarantee complete or even partial fulfillment of LAC requirements. When lack of resources severely limit the acquisition of LAC coverage, requestors will be notified by SOCC Polar scheduling personnel. Users are not charged a fee for scheduling services.

Users should be aware that a request for LAC scheduling with SOCC is not an implicit request for data. For users desiring LAC data on magnetic media, they must also contact NCDC and meet all prepayment requirements before the actual processing of a data request can begin. This is not necessary for users obtaining their LAC data online through the Satellite Active Archive (SAA).

Amended December 31, 2001


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