GPM Ground Validation Conical Scanning Millimeter-wave Imaging Radiometer (CoSMIR) OLYMPEX

The GPM Ground Validation Conical Scanning Millimeter-wave Imaging Radiometer (CoSMIR) OLYMPEX dataset consists of brightness temperatures from 9 channels as measured by CoSMIR when flown on the NASA DC-8 aircraft during the Global Precipitation Mission (GPM) Olympic Mountains Experiment (OLYMPEX) campaign. CoSMIR is a conical and cross-track scanning radiometer with frequencies centered at 50.3, 52.8, 89.0, 165.5, 183.31+/-1, 183.31+/-3, and 183.31+/-7 GHz. Data files are available from November 5, 2015 thru December 19, 2015 in HDF-5 format, with browse imagery files in PNG format containing brightness temperature time series plots.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated September 8, 2026, 02:59 (UTC)
Created April 1, 2025, 16:15 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/GPMGV/OLYMPEX/COSMIR/DATA301
license https://www.usa.gov/government-works
modified 2026-08-31T22:16:01Z
programCode {026:000}
publisher NASA/MSFC/GHRC
resource-type Dataset
source_datajson_identifier true
source_hash 4d4de684bdbbad542df2c9cf88a425f964b82794285adf96b1348d7c5faa059c
source_schema_version 1.1
spatial ["CARTESIAN", [{"WestBoundingCoordinate": -129.622, "NorthBoundingCoordinate": 49.7371, "EastBoundingCoordinate": -117.697, "SouthBoundingCoordinate": 29.9313}]]
temporal 2015-11-05/2015-12-19
theme {"Earth Science"}