Acronyms - N

Tools| A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| Numbers| ALL

N/A - Not Applicable

N0 - Noise Density

NAK - Negative Acknowledgement

NARA - National Archive and Records Administration

NAS - NASA Assurance Standard

NASA - National Aeronautics and Space Administration

Nascom - NASA Communications

NASDA - National Space Development Agency (Japan)

NAVOCEANO - Naval Oceanographic Office

NBR - Normalized Burn Ratio or Navigation Base Reference

NCAS - National Carbon Accounting System

NCC - Network Control Center

NCEP - National Centers for Environmental Prediction

NCSA - National Center for Supercomputing Applications

NCT - Network Connectivity Test

NDE - Non-Destructive Examination

NDF - NLAPS Data Format

NDP - National Satellite Land Remote Sensing Data Archive (NSLRSDA) Data Package

NDPF - NASA Data Processing Facility

NDSI - Normalized Difference Snow Index

NDVI - Normalized Difference Vegetation Index

NEDL - Noise Equivalent Detector Radiance

NEDT - Noise Equivalent Detector Temperature

NEMA - National Electrical Manufactures Association

NEN - Near Earth Network

NEOS - National Earth Orientation Service

NEPAG - NASA EEE Parts Assurance Group

NESDIS - National Environmental Satellite Data and Information Service

NewOps - New Operational Procedures System

NFS - Network File System

NG - National Guard

NGA - National Geospatial Intelligence Agency

NGST - Northrop Grumman Space Technology

NHB - NASA Handbook

NIPD - Network Interface Planning Document

NIR - Near-infrared

NISN - NASA Integrated Services Network

NIST - National Institute for Standards and Technology

NITF - National Imagery Transformation Format

NLAPS - National Land Archive Production System

nm - Nanometer

NMAS - National Map Accuracy Standards

NMD - National Mapping Discipline

NMS - Network Management Software

NN - Nearest Neighbor

NOAA - National Oceanic and Atmospheric Administration

NOC - NUGS Operations Concept

NOLAN - Nascom Operational Local Area Network

NOM - Network Operations Manager

NOR - NORAD Two Line Element Message

NORAD - North American Air Defense

NOVAS - Naval Definition Vector Astronomy Software

NPD - NASA Policy Directive

NPOESS - National Polar-orbiting Operational Environmental Satellite System

NPSL - NASA Parts Selection List

NPV - Net Present Value

NRCA - Nonconformance Reporting and Corrective Action

NRT - Network Readiness Test

NRTL - Nationally Recognized Testing Laboratory

NRZ-L - Non-Return to Zero-Level

NRZ-M - Non-Return to Zero-Mark

NSA - National Security Agency

NSDI - Normalized Snow Difference Index

NSLRSDA - National Satellite Land Remote Sensing Data Archive

NSM - Network and Security Manager

NSPAR - Nonstandard Parts Approval Request

NSS - NASA Safety Standard

NSSDC - National Space Science Data Center

NTE - Not To Exceed

NTP - Network Time Protocol

NUC - Non-Uniformity Correction

NUGS - NASA-USGS Joint Ground System

NUP - North Up

NWS - National Weather Service

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