Name	Notation	Description	Types	Status
Agricultural activity	agriculturalActivity		Concept	stable
Avalanche	avalanche		Concept	stable
Biological fouling	biologicalFouling		Concept	stable
Biomass burning (planned)	biomassBurningPlanned		Concept	stable
Biomass burning (unplanned)	biomassBurningUnplanned		Concept	stable
Construction	construction		Concept	stable
Corrosion	corrosion		Concept	stable
Cyber security penetration/ virus/ worm	cyberAttack		Concept	stable
Cyclone/tornado	cycloneTornado		Concept	stable
Data communications outage	dataCommOutage		Concept	stable
Dust/sand storm	dustSandStorm		Concept	stable
Earthquake	earthQuake		Concept	stable
Environmental	environmental		Concept	stable
Equipment cleaning/ painting	equipmentCleaning		Concept	stable
Equipment maintenance	equipmentMaintenance		Concept	stable
Equipment verification/ calibration	equipmentVerificationCalibration		Concept	stable
Erosion	erosion		Concept	stable
Extreme cold	extremeCold		Concept	stable
Extreme heat	extremeHeat		Concept	stable
Fire	fire	Fire inside building	Concept	stable
Heavy precipitation/flooding	flooding		Concept	stable
Ground clutter/ signal blockage/ degradation	groundClutter		Concept	stable
Guano fouling	guanoFouling		Concept	stable
Hail	hail		Concept	stable
Hardware failure	hardwareFailure		Concept	stable
inapplicable	inapplicable	None of the codes in the table is applicable in the context o...	Concept	stable
Incident	incident	An unexpected event that has (or may have) impacted the obser...	Concept	stable
Insect/animal infestation	infestation		Concept	stable
Infrastructure works	infrastructureWorks		Concept	stable
Inspection/ auditing	inspectionAuditing	Corrosion of components, seizing	Concept	stable
Intervention	intervention	Human activity that has (or may have) impacted the observatio...	Concept	stable
Land use change	landUseChange		Concept	stable
Land slide/mudslide	landslide	Hazard event	Concept	stable
Magnetic storm	magneticStorm		Concept	stable
Equipment malfunction	malfunction		Concept	stable
Personnel absent	personnelAbsence		Concept	stable
Planned service outage	plannedServiceOutage		Concept	stable
Pollution	pollution		Concept	stable
Power outage	powerOutage		Concept	stable
Preventative maintenance	preventiveMaintenance		Concept	stable
Radio frequency interference	radioFrequencyInterference		Concept	stable
Equipment repair/ replacement	repairReplacement		Concept	stable
Road work	roadWork		Concept	stable
Severe weather	severeWeather	A natural severe weather event that has (or may have) impacte...	Concept	stable
Snow/blizzard/icing	snowBlizzardIcing		Concept	stable
Software failure	softwareFailure		Concept	stable
Solar flares	solarFlares		Concept	stable
Space weather	spaceWeather	An event in outer space that has (or may have) impacted the o...	Concept	stable
Storm surge	stormSurge		Concept	stable
Technical	technical		Concept	stable
Theft of equipment	theft		Concept	stable
Thunderstorm/ lightning strike	thunderstormLightning		Concept	stable
Tsunami	tsunami		Concept	stable
unknown	unknown	The event is unknown.	Concept	stable
Unrest/strike	unrestStrike		Concept	stable
Urban development	urbanDevelopment		Concept	stable
Vandalism	vandalism		Concept	stable
Vegetation trimming/ cutting	vegetationTrimming		Concept	stable
Volcanic eruption/ Ash	volcanicEruption		Concept	stable
High wind/ blowing debris	windDebris		Concept	stable