| Geometric Calibration |
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The process of locating instrument observed data to a reference frame (e.g., Earth, solar, inertial). |
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| Goddard Policy Directive (GPD) |
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A policy statement that describes what is required by GSFC management for achieving NASA’s vision and mission. |
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| Goddard Procedural Requirements (GPR) |
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A statement of specific, detailed procedures for implementing NASA and Goddard policies. |
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| GOES EAST / GOES-EAST |
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GOES-EAST/WEST is the name given to whichever GOES satellite is currently located in the East/West Geostationary Orbit and processing operational data. This distinguishes them from the retired or spare GOES satellites. |
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| GOES WEST / GOES-WEST |
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GOES-EAST/WEST is the name given to whichever GOES satellite is currently located in the East/West Geostationary Orbit and processing operational data. This distinguishes them from the retired or spare GOES satellites. |
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| GOES-R Access Point |
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The Ground Segment interface from which authorized users can request and access GOES-R products, data, and information. |
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| GOES Rebroadcast (GRB) |
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The relay of selected GOES-R data products through the satellite. This term is often used to refer to the product set being rebroadcast. |
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| GOES Variable (GVAR) |
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The service for rebroadcasting GOES I-P data. |
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| Government |
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In the context of personnel, includes Government personnel and designated Government support contractor personnel |
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| Ground Data Latency |
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A product-dependent value that is defined as the time from the receipt of the last raw data packet on the ground through the time that the data are converted to a specified GOES-R product and delivered to the specified destination. |
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Ground Latency,
OSD-Allocated |
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Sum of (1) the Baseline maximum time allocated between the receiving of the data in the last packet of the observation at the RF input to the antenna and the intermediate frequency conversion and (2) the Baseline maximum time between the intermediate frequency on the transmit side of the GRB transmitter on the ground at CDAS and the intermediate frequency on the received side of the GRB transmitter on the ground at NSOF. |
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| Ground Latency, OSDPD-Allocated |
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Baseline maximum time allocated between the arrival of the last data packet of an observation at the ingest point of the OSDPD GOES-R Processing subsystem and the arrival of the last processed data from an observation at the GOES-R Access Point. |
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| Ground Segment |
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That part of the GOES-R System that includes the ground-based satellite operations and data capture, processing, and distribution elements. The main functional elements include Mission Management, Enterprise Management, Product Generation, and Product Distribution. |
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| Group (GLM ) |
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A series of lightning events (since the non-lightning events will have been filtered out before grouping) occurring at the same time (i.e. within an integration period) and in adjacent pixels |
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| Guidance Navigation and Control (GN&C) |
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Comprises the disciplines of attitude determination and control, orbit determination, propulsion, and flight dynamics. |
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