urn:nasa:pds:odyssey_grs_ahd 1.0 1.19.0.0 Product_Bundle Boynton, William 2025 10.17189/yd24-4j36 Mars Odyssey GRS AHD (Averaged HEND) Products. The Odyssey Gamma Ray Spectrometer (GRS) Averaged HEND Data (AHD) products are temporally and spatially binned neutron counting rates and fluxes that can be used to create global maps. These products are generated from the Derived HEND Data (DHD) product, which in turn are derived from HEND EDRs. 2025-04-01 1.0 Initial version, alongside Release 91 2001-04-25T00:00:00Z Science Derived Gamma Ray X-ray Geosciences MARS Odyssey Mission urn:nasa:pds:context:investigation:mission.2001_mars_odyssey bundle_to_investigation 2001 MARS ODYSSEY Host urn:nasa:pds:context:instrument_host:spacecraft.ody is_instrument_host HIGH ENERGY NEUTRON DETECTOR Instrument urn:nasa:pds:context:instrument:ody.hend is_instrument Mars Planet urn:nasa:pds:context:target:planet.mars bundle_to_target urn:nasa:pds:context:resource:resource.odyssey_grs_ahd_online has_resource 10.1023/B:SPAC.0000021007.76126.15 Boynton, W., Feldman, W., Mitrofanov, I. et al. (2004) The Mars Odyssey Gamma-Ray Spectrometer Instrument Suite, Space Science Reviews, 110, 37-83. Archive This bundle contains Mars Odyssey GRS AHD products. readme.txt 0 7-Bit ASCII Text Carriage-Return Line-Feed urn:nasa:pds:odyssey_grs_ahd:data_science_averaged Primary bundle_has_data_collection urn:nasa:pds:odyssey_grs_ahd:document Primary bundle_has_document_collection urn:nasa:pds:odyssey_grs_ahd:catalog Primary bundle_has_document_collection urn:nasa:pds:odyssey_grs_ahd:miscellaneous Primary bundle_has_miscellaneous_collection