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NASA/MSFC Global Reference Atmospheric Model-1999 (GRAM-99)
 Entry ID: GRAM-99

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Summary
Abstract: Global model, using empirical database, giving density, temperature, pressure, winds, and selected atmospheric constituent concentrations, from the surface of the Earth to orbital altitudes, as a function of geographic position and time of year. Local perturbations about mean conditions are also included. Model is also suitable for use as a subroutine in a trajectory code or orbit propagator program or other programs used for simulations of in-flight or on-orbit atmospheric variability in density, temperature, or winds.
Related URL
Link: GET RELATED SERVICE METADATA (SERF)
Description: This is a related service description of GRAM-95.
Service Citation
Originators: NASA/MSFC
Title: NASA/MSFC Global Reference Atmospheric Model-1999 (GRAM-99)
Release_Date: 1999
Provider: NASA/MSFC
URL: http://see.msfc.nasa.gov/tte/model_gram.htm
Service Keywords
MODELS >COMPONENT PROCESS MODELS Parameter Definition

Science Keywords
ATMOSPHERE >ATMOSPHERIC PHENOMENA Parameter Definition
ATMOSPHERE >ATMOSPHERIC TEMPERATURE Parameter Definition
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ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Access Constraints Availability:

- Maintenance/ Upgrades: On an as needed basis
- Source Code: Source code is available
- Cost: Program: No cost to qualified, NASA-approved users
- Distribution: CD-ROM (see contact information)
- Manuals: Yes
- Training: No
Use Constraints Language: FORTRAN 77

Operating System: PC/DOS, Unix

Hardware Requirements: Runs on PC (or compatible) and on most Unix hardware,
must have CD- ROM for Global Upper Air Climatic Atlas (GUACA) data set. Need at
least 20 MEG of storage space.
Service Provider
NASA/MSFC/SEE > Space Environments and Effects Program, Marshall Space Flight Center, NASA Supplemental Info
Service Organization URL: http://see.msfc.nasa.gov/

Service Provider Personnel
Name: DAVID L. EDWARDS
Phone: 256-544-4081
Email: David.L.Edwards at nasa.gov
Contact Address:
NASA MSFC
City: HUNTSVILLE
Province or State: AL
Postal Code: 35812
Country: United States
Distribution Media
Distribution_Media: CD Rom
Fees: None
Personnel
FRED LESLIE
Role: TECHNICAL CONTACT
Phone: 256-544-1633
Email: Fred.W.Leslie at nasa.gov
Contact Address:
EV44/NASA
NASA Marshall Space Flight Center
City: MSFC
Province or State: AL
Postal Code: 35812
Country: USA
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Creation and Review Dates
SERF Creation Date: 2004-01-12
SERF Last Revision Date: 2011-12-01
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