| CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
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Measurements > Atmosphere >
Trace gases (excluding ozone) >
PAN (column/profile)
  | Measurement Definition*: PAN = Peroxy Acetyl Nitrate. Requested in the troposphere (layers: LT, HT) - Physical unit: [ ppm ] - Accuracy unit: [ % ]. |
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
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* Description adapted from WMO.
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