Instrument Instance

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{
    "ob_id": 43690,
    "uuid": "391f283542d3425ba758a631949ee7e3",
    "title": "Met Office Cardington Radiometrics TP/WVP-3000 microwave radiometer",
    "abstract": "The Met Office Meteorological Research Unit at Cardington, Bedforshire, operated a Radiometrics TP/WVP-3000 microwave radiometer used a neural network to retrieve profiles of water vapour and temperature. The TP/WVP-3000 was set up to take readings in the vertical approximately every 8 s. Regular tipping curve scans were done over a range of zenith angles (30, 45, 90, 135, 150 degrees) to compare the atmospheric radiances to that of known values at relatively opaque water vapour frequencies (with the opacity being a linear function of the slant path), in addition using frequent views of an internal temperature-controlled black body. Absolute calibrations for the absorbing channels were done periodically using a black body cooled with liquid nitrogen.",
    "keywords": "liquid water path, integrated water vapour, temperature profile, water vapour profile, relative humidity profile, liquid water profile, passive, microwave radiometer, measurement",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/13264/?format=api"
    ],
    "instrumentType": "radiometer",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/209090/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/209091/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/209092/?format=api"
    ]
}